Home / 113,397.12-156,494.16-63,097.20

Finding the Fourth Proportional to 113,397.12, 156,494.16 and 63,097.20

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Solution

The fourth proportional to 113,397.12, 156,494.16 and 63,097.20 is: 87,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,397.12 : 156,494.16 = 63,097.20 : x
  2. Step 2: Convert to fraction form
    113,397.12/156,494.16 = 63,097.20/x
  3. Step 3: Cross multiply
    113,397.12x = 156,494.16 × 63,097.20
  4. Step 4: Simplify right side
    113,397.12x = 9,874,343,312.35
  5. Step 5: Solve for x
    x = 9,874,343,312.35/113,397.12
  6. Step 6: Final answer
    x = 87,077.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.