Home / 472,353.52-708,531.04-143,721.24

Finding the Fourth Proportional to 472,353.52, 708,531.04 and 143,721.24

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Solution

The fourth proportional to 472,353.52, 708,531.04 and 143,721.24 is: 215,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,353.52 : 708,531.04 = 143,721.24 : x
  2. Step 2: Convert to fraction form
    472,353.52/708,531.04 = 143,721.24/x
  3. Step 3: Cross multiply
    472,353.52x = 708,531.04 × 143,721.24
  4. Step 4: Simplify right side
    472,353.52x = 101,830,959,647.29
  5. Step 5: Solve for x
    x = 101,830,959,647.29/472,353.52
  6. Step 6: Final answer
    x = 215,582.09

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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.