Home / 121,505.10-182,111.85-62,310.30

Finding the Fourth Proportional to 121,505.10, 182,111.85 and 62,310.30

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Solution

The fourth proportional to 121,505.10, 182,111.85 and 62,310.30 is: 93,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,505.10 : 182,111.85 = 62,310.30 : x
  2. Step 2: Convert to fraction form
    121,505.10/182,111.85 = 62,310.30/x
  3. Step 3: Cross multiply
    121,505.10x = 182,111.85 × 62,310.30
  4. Step 4: Simplify right side
    121,505.10x = 11,347,444,007.06
  5. Step 5: Solve for x
    x = 11,347,444,007.06/121,505.10
  6. Step 6: Final answer
    x = 93,390.68

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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.