Home / 153,557.91-230,369.66-53,721.36

Finding the Fourth Proportional to 153,557.91, 230,369.66 and 53,721.36

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Solution

The fourth proportional to 153,557.91, 230,369.66 and 53,721.36 is: 80,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,557.91 : 230,369.66 = 53,721.36 : x
  2. Step 2: Convert to fraction form
    153,557.91/230,369.66 = 53,721.36/x
  3. Step 3: Cross multiply
    153,557.91x = 230,369.66 × 53,721.36
  4. Step 4: Simplify right side
    153,557.91x = 12,375,771,437.94
  5. Step 5: Solve for x
    x = 12,375,771,437.94/153,557.91
  6. Step 6: Final answer
    x = 80,593.51

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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.