Home / 158,116.73-218,306.34-93,606.77

Finding the Fourth Proportional to 158,116.73, 218,306.34 and 93,606.77

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Solution

The fourth proportional to 158,116.73, 218,306.34 and 93,606.77 is: 129,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,116.73 : 218,306.34 = 93,606.77 : x
  2. Step 2: Convert to fraction form
    158,116.73/218,306.34 = 93,606.77/x
  3. Step 3: Cross multiply
    158,116.73x = 218,306.34 × 93,606.77
  4. Step 4: Simplify right side
    158,116.73x = 20,434,951,903.69
  5. Step 5: Solve for x
    x = 20,434,951,903.69/158,116.73
  6. Step 6: Final answer
    x = 129,239.66

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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.