Home / 207,939.08-311,691.53-150,875.12

Finding the Fourth Proportional to 207,939.08, 311,691.53 and 150,875.12

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Solution

The fourth proportional to 207,939.08, 311,691.53 and 150,875.12 is: 226,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,939.08 : 311,691.53 = 150,875.12 : x
  2. Step 2: Convert to fraction form
    207,939.08/311,691.53 = 150,875.12/x
  3. Step 3: Cross multiply
    207,939.08x = 311,691.53 × 150,875.12
  4. Step 4: Simplify right side
    207,939.08x = 47,026,495,810.46
  5. Step 5: Solve for x
    x = 47,026,495,810.46/207,939.08
  6. Step 6: Final answer
    x = 226,155.16

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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.