Home / 162,001.46-223,561.29-90,381.56

Finding the Fourth Proportional to 162,001.46, 223,561.29 and 90,381.56

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Solution

The fourth proportional to 162,001.46, 223,561.29 and 90,381.56 is: 124,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,001.46 : 223,561.29 = 90,381.56 : x
  2. Step 2: Convert to fraction form
    162,001.46/223,561.29 = 90,381.56/x
  3. Step 3: Cross multiply
    162,001.46x = 223,561.29 × 90,381.56
  4. Step 4: Simplify right side
    162,001.46x = 20,205,818,145.81
  5. Step 5: Solve for x
    x = 20,205,818,145.81/162,001.46
  6. Step 6: Final answer
    x = 124,726.15

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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.