Home / 293,215.60-439,823.40-127,327.60

Finding the Fourth Proportional to 293,215.60, 439,823.40 and 127,327.60

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Solution

The fourth proportional to 293,215.60, 439,823.40 and 127,327.60 is: 190,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,215.60 : 439,823.40 = 127,327.60 : x
  2. Step 2: Convert to fraction form
    293,215.60/439,823.40 = 127,327.60/x
  3. Step 3: Cross multiply
    293,215.60x = 439,823.40 × 127,327.60
  4. Step 4: Simplify right side
    293,215.60x = 56,001,657,945.84
  5. Step 5: Solve for x
    x = 56,001,657,945.84/293,215.60
  6. Step 6: Final answer
    x = 190,991.40

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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.