Home / 293,827.60-440,741.40-127,939.60

Finding the Fourth Proportional to 293,827.60, 440,741.40 and 127,939.60

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Solution

The fourth proportional to 293,827.60, 440,741.40 and 127,939.60 is: 191,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,827.60 : 440,741.40 = 127,939.60 : x
  2. Step 2: Convert to fraction form
    293,827.60/440,741.40 = 127,939.60/x
  3. Step 3: Cross multiply
    293,827.60x = 440,741.40 × 127,939.60
  4. Step 4: Simplify right side
    293,827.60x = 56,388,278,419.44
  5. Step 5: Solve for x
    x = 56,388,278,419.44/293,827.60
  6. Step 6: Final answer
    x = 191,909.40

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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.