Home / 472,835.52-709,287.84-135,862.56

Finding the Fourth Proportional to 472,835.52, 709,287.84 and 135,862.56

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Solution

The fourth proportional to 472,835.52, 709,287.84 and 135,862.56 is: 203,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,835.52 : 709,287.84 = 135,862.56 : x
  2. Step 2: Convert to fraction form
    472,835.52/709,287.84 = 135,862.56/x
  3. Step 3: Cross multiply
    472,835.52x = 709,287.84 × 135,862.56
  4. Step 4: Simplify right side
    472,835.52x = 96,365,661,719.27
  5. Step 5: Solve for x
    x = 96,365,661,719.27/472,835.52
  6. Step 6: Final answer
    x = 203,803.77

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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.