Home / 153,280.36-229,942.17-53,425.96

Finding the Fourth Proportional to 153,280.36, 229,942.17 and 53,425.96

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Solution

The fourth proportional to 153,280.36, 229,942.17 and 53,425.96 is: 80,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,280.36 : 229,942.17 = 53,425.96 : x
  2. Step 2: Convert to fraction form
    153,280.36/229,942.17 = 53,425.96/x
  3. Step 3: Cross multiply
    153,280.36x = 229,942.17 × 53,425.96
  4. Step 4: Simplify right side
    153,280.36x = 12,284,881,176.73
  5. Step 5: Solve for x
    x = 12,284,881,176.73/153,280.36
  6. Step 6: Final answer
    x = 80,146.48

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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.