Home / 158,217.91-218,446.43-93,707.89

Finding the Fourth Proportional to 158,217.91, 218,446.43 and 93,707.89

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Solution

The fourth proportional to 158,217.91, 218,446.43 and 93,707.89 is: 129,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,217.91 : 218,446.43 = 93,707.89 : x
  2. Step 2: Convert to fraction form
    158,217.91/218,446.43 = 93,707.89/x
  3. Step 3: Cross multiply
    158,217.91x = 218,446.43 × 93,707.89
  4. Step 4: Simplify right side
    158,217.91x = 20,470,153,018.68
  5. Step 5: Solve for x
    x = 20,470,153,018.68/158,217.91
  6. Step 6: Final answer
    x = 129,379.50

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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.