Home / 158,332.23-218,493.59-86,710.41

Finding the Fourth Proportional to 158,332.23, 218,493.59 and 86,710.41

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Solution

The fourth proportional to 158,332.23, 218,493.59 and 86,710.41 is: 119,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,332.23 : 218,493.59 = 86,710.41 : x
  2. Step 2: Convert to fraction form
    158,332.23/218,493.59 = 86,710.41/x
  3. Step 3: Cross multiply
    158,332.23x = 218,493.59 × 86,710.41
  4. Step 4: Simplify right side
    158,332.23x = 18,945,668,337.72
  5. Step 5: Solve for x
    x = 18,945,668,337.72/158,332.23
  6. Step 6: Final answer
    x = 119,657.69

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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.