Home / 113,235.60-156,273.84-67,915.32

Finding the Fourth Proportional to 113,235.60, 156,273.84 and 67,915.32

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Solution

The fourth proportional to 113,235.60, 156,273.84 and 67,915.32 is: 93,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,235.60 : 156,273.84 = 67,915.32 : x
  2. Step 2: Convert to fraction form
    113,235.60/156,273.84 = 67,915.32/x
  3. Step 3: Cross multiply
    113,235.60x = 156,273.84 × 67,915.32
  4. Step 4: Simplify right side
    113,235.60x = 10,613,387,851.23
  5. Step 5: Solve for x
    x = 10,613,387,851.23/113,235.60
  6. Step 6: Final answer
    x = 93,728.37

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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.