Home / 158,089.50-218,171.49-93,595.77

Finding the Fourth Proportional to 158,089.50, 218,171.49 and 93,595.77

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Solution

The fourth proportional to 158,089.50, 218,171.49 and 93,595.77 is: 129,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,089.50 : 218,171.49 = 93,595.77 : x
  2. Step 2: Convert to fraction form
    158,089.50/218,171.49 = 93,595.77/x
  3. Step 3: Cross multiply
    158,089.50x = 218,171.49 × 93,595.77
  4. Step 4: Simplify right side
    158,089.50x = 20,419,928,598.60
  5. Step 5: Solve for x
    x = 20,419,928,598.60/158,089.50
  6. Step 6: Final answer
    x = 129,166.89

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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.