Home / 158,086.18-218,166.92-93,592.45

Finding the Fourth Proportional to 158,086.18, 218,166.92 and 93,592.45

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Solution

The fourth proportional to 158,086.18, 218,166.92 and 93,592.45 is: 129,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,086.18 : 218,166.92 = 93,592.45 : x
  2. Step 2: Convert to fraction form
    158,086.18/218,166.92 = 93,592.45/x
  3. Step 3: Cross multiply
    158,086.18x = 218,166.92 × 93,592.45
  4. Step 4: Simplify right side
    158,086.18x = 20,418,776,551.75
  5. Step 5: Solve for x
    x = 20,418,776,551.75/158,086.18
  6. Step 6: Final answer
    x = 129,162.31

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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.