Home / 153,267.67-229,602.57-86,505.85

Finding the Fourth Proportional to 153,267.67, 229,602.57 and 86,505.85

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Solution

The fourth proportional to 153,267.67, 229,602.57 and 86,505.85 is: 129,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,267.67 : 229,602.57 = 86,505.85 : x
  2. Step 2: Convert to fraction form
    153,267.67/229,602.57 = 86,505.85/x
  3. Step 3: Cross multiply
    153,267.67x = 229,602.57 × 86,505.85
  4. Step 4: Simplify right side
    153,267.67x = 19,861,965,480.03
  5. Step 5: Solve for x
    x = 19,861,965,480.03/153,267.67
  6. Step 6: Final answer
    x = 129,590.05

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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.