Home / 158,222.67-218,452.99-93,712.65

Finding the Fourth Proportional to 158,222.67, 218,452.99 and 93,712.65

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Solution

The fourth proportional to 158,222.67, 218,452.99 and 93,712.65 is: 129,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,222.67 : 218,452.99 = 93,712.65 : x
  2. Step 2: Convert to fraction form
    158,222.67/218,452.99 = 93,712.65/x
  3. Step 3: Cross multiply
    158,222.67x = 218,452.99 × 93,712.65
  4. Step 4: Simplify right side
    158,222.67x = 20,471,808,593.32
  5. Step 5: Solve for x
    x = 20,471,808,593.32/158,222.67
  6. Step 6: Final answer
    x = 129,386.06

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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.