Home / 161,957.07-223,500.66-90,337.08

Finding the Fourth Proportional to 161,957.07, 223,500.66 and 90,337.08

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Solution

The fourth proportional to 161,957.07, 223,500.66 and 90,337.08 is: 124,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,957.07 : 223,500.66 = 90,337.08 : x
  2. Step 2: Convert to fraction form
    161,957.07/223,500.66 = 90,337.08/x
  3. Step 3: Cross multiply
    161,957.07x = 223,500.66 × 90,337.08
  4. Step 4: Simplify right side
    161,957.07x = 20,190,397,002.47
  5. Step 5: Solve for x
    x = 20,190,397,002.47/161,957.07
  6. Step 6: Final answer
    x = 124,665.12

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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.