Home / 108,115.04-149,187.88-74,152.52

Finding the Fourth Proportional to 108,115.04, 149,187.88 and 74,152.52

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Solution

The fourth proportional to 108,115.04, 149,187.88 and 74,152.52 is: 102,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115.04 : 149,187.88 = 74,152.52 : x
  2. Step 2: Convert to fraction form
    108,115.04/149,187.88 = 74,152.52/x
  3. Step 3: Cross multiply
    108,115.04x = 149,187.88 × 74,152.52
  4. Step 4: Simplify right side
    108,115.04x = 11,062,657,255.46
  5. Step 5: Solve for x
    x = 11,062,657,255.46/108,115.04
  6. Step 6: Final answer
    x = 102,323.02

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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.