Home / 499,743.60-749,615.40-167,319.60

Finding the Fourth Proportional to 499,743.60, 749,615.40 and 167,319.60

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Solution

The fourth proportional to 499,743.60, 749,615.40 and 167,319.60 is: 250,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,743.60 : 749,615.40 = 167,319.60 : x
  2. Step 2: Convert to fraction form
    499,743.60/749,615.40 = 167,319.60/x
  3. Step 3: Cross multiply
    499,743.60x = 749,615.40 × 167,319.60
  4. Step 4: Simplify right side
    499,743.60x = 125,425,348,881.84
  5. Step 5: Solve for x
    x = 125,425,348,881.84/499,743.60
  6. Step 6: Final answer
    x = 250,979.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.