Home / 159,543.07-220,168.33-87,923.17

Finding the Fourth Proportional to 159,543.07, 220,168.33 and 87,923.17

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Solution

The fourth proportional to 159,543.07, 220,168.33 and 87,923.17 is: 121,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,543.07 : 220,168.33 = 87,923.17 : x
  2. Step 2: Convert to fraction form
    159,543.07/220,168.33 = 87,923.17/x
  3. Step 3: Cross multiply
    159,543.07x = 220,168.33 × 87,923.17
  4. Step 4: Simplify right side
    159,543.07x = 19,357,897,562.61
  5. Step 5: Solve for x
    x = 19,357,897,562.61/159,543.07
  6. Step 6: Final answer
    x = 121,333.37

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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.