Home / 188,835.16-283,215.12-121,167.04

Finding the Fourth Proportional to 188,835.16, 283,215.12 and 121,167.04

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Solution

The fourth proportional to 188,835.16, 283,215.12 and 121,167.04 is: 181,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,835.16 : 283,215.12 = 121,167.04 : x
  2. Step 2: Convert to fraction form
    188,835.16/283,215.12 = 121,167.04/x
  3. Step 3: Cross multiply
    188,835.16x = 283,215.12 × 121,167.04
  4. Step 4: Simplify right side
    188,835.16x = 34,316,337,773.64
  5. Step 5: Solve for x
    x = 34,316,337,773.64/188,835.16
  6. Step 6: Final answer
    x = 181,726.42

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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.