Home / 152,841.18-229,157.19-77,816.14

Finding the Fourth Proportional to 152,841.18, 229,157.19 and 77,816.14

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Solution

The fourth proportional to 152,841.18, 229,157.19 and 77,816.14 is: 116,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,841.18 : 229,157.19 = 77,816.14 : x
  2. Step 2: Convert to fraction form
    152,841.18/229,157.19 = 77,816.14/x
  3. Step 3: Cross multiply
    152,841.18x = 229,157.19 × 77,816.14
  4. Step 4: Simplify right side
    152,841.18x = 17,832,127,979.05
  5. Step 5: Solve for x
    x = 17,832,127,979.05/152,841.18
  6. Step 6: Final answer
    x = 116,670.97

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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.