Home / 152,817.53-229,276.10-76,876.88

Finding the Fourth Proportional to 152,817.53, 229,276.10 and 76,876.88

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Solution

The fourth proportional to 152,817.53, 229,276.10 and 76,876.88 is: 115,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,817.53 : 229,276.10 = 76,876.88 : x
  2. Step 2: Convert to fraction form
    152,817.53/229,276.10 = 76,876.88/x
  3. Step 3: Cross multiply
    152,817.53x = 229,276.10 × 76,876.88
  4. Step 4: Simplify right side
    152,817.53x = 17,626,029,695.80
  5. Step 5: Solve for x
    x = 17,626,029,695.80/152,817.53
  6. Step 6: Final answer
    x = 115,340.37

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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.