Home / 161,952.13-223,493.35-90,332.10

Finding the Fourth Proportional to 161,952.13, 223,493.35 and 90,332.10

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Solution

The fourth proportional to 161,952.13, 223,493.35 and 90,332.10 is: 124,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,952.13 : 223,493.35 = 90,332.10 : x
  2. Step 2: Convert to fraction form
    161,952.13/223,493.35 = 90,332.10/x
  3. Step 3: Cross multiply
    161,952.13x = 223,493.35 × 90,332.10
  4. Step 4: Simplify right side
    161,952.13x = 20,188,623,641.54
  5. Step 5: Solve for x
    x = 20,188,623,641.54/161,952.13
  6. Step 6: Final answer
    x = 124,657.97

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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.