Home / 158,064.46-218,134.97-90,092.17

Finding the Fourth Proportional to 158,064.46, 218,134.97 and 90,092.17

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Solution

The fourth proportional to 158,064.46, 218,134.97 and 90,092.17 is: 124,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,064.46 : 218,134.97 = 90,092.17 : x
  2. Step 2: Convert to fraction form
    158,064.46/218,134.97 = 90,092.17/x
  3. Step 3: Cross multiply
    158,064.46x = 218,134.97 × 90,092.17
  4. Step 4: Simplify right side
    158,064.46x = 19,652,252,800.18
  5. Step 5: Solve for x
    x = 19,652,252,800.18/158,064.46
  6. Step 6: Final answer
    x = 124,330.62

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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.