Home / 121,217.58-181,904.13-58,854.06

Finding the Fourth Proportional to 121,217.58, 181,904.13 and 58,854.06

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Solution

The fourth proportional to 121,217.58, 181,904.13 and 58,854.06 is: 88,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,217.58 : 181,904.13 = 58,854.06 : x
  2. Step 2: Convert to fraction form
    121,217.58/181,904.13 = 58,854.06/x
  3. Step 3: Cross multiply
    121,217.58x = 181,904.13 × 58,854.06
  4. Step 4: Simplify right side
    121,217.58x = 10,705,796,581.27
  5. Step 5: Solve for x
    x = 10,705,796,581.27/121,217.58
  6. Step 6: Final answer
    x = 88,318.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.