Home / 161,937.05-223,473.51-90,321.71

Finding the Fourth Proportional to 161,937.05, 223,473.51 and 90,321.71

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Solution

The fourth proportional to 161,937.05, 223,473.51 and 90,321.71 is: 124,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,937.05 : 223,473.51 = 90,321.71 : x
  2. Step 2: Convert to fraction form
    161,937.05/223,473.51 = 90,321.71/x
  3. Step 3: Cross multiply
    161,937.05x = 223,473.51 × 90,321.71
  4. Step 4: Simplify right side
    161,937.05x = 20,184,508,445.53
  5. Step 5: Solve for x
    x = 20,184,508,445.53/161,937.05
  6. Step 6: Final answer
    x = 124,644.17

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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.