Home / 168,876.29-253,402.02-74,173.12

Finding the Fourth Proportional to 168,876.29, 253,402.02 and 74,173.12

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Solution

The fourth proportional to 168,876.29, 253,402.02 and 74,173.12 is: 111,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,876.29 : 253,402.02 = 74,173.12 : x
  2. Step 2: Convert to fraction form
    168,876.29/253,402.02 = 74,173.12/x
  3. Step 3: Cross multiply
    168,876.29x = 253,402.02 × 74,173.12
  4. Step 4: Simplify right side
    168,876.29x = 18,795,617,804.20
  5. Step 5: Solve for x
    x = 18,795,617,804.20/168,876.29
  6. Step 6: Final answer
    x = 111,298.14

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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.