Home / 113,187.36-156,194.16-62,889.60

Finding the Fourth Proportional to 113,187.36, 156,194.16 and 62,889.60

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Solution

The fourth proportional to 113,187.36, 156,194.16 and 62,889.60 is: 86,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187.36 : 156,194.16 = 62,889.60 : x
  2. Step 2: Convert to fraction form
    113,187.36/156,194.16 = 62,889.60/x
  3. Step 3: Cross multiply
    113,187.36x = 156,194.16 × 62,889.60
  4. Step 4: Simplify right side
    113,187.36x = 9,822,988,244.74
  5. Step 5: Solve for x
    x = 9,822,988,244.74/113,187.36
  6. Step 6: Final answer
    x = 86,785.21

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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.