Home / 354,123.47-531,289.02-114,232.58

Finding the Fourth Proportional to 354,123.47, 531,289.02 and 114,232.58

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Solution

The fourth proportional to 354,123.47, 531,289.02 and 114,232.58 is: 171,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,123.47 : 531,289.02 = 114,232.58 : x
  2. Step 2: Convert to fraction form
    354,123.47/531,289.02 = 114,232.58/x
  3. Step 3: Cross multiply
    354,123.47x = 531,289.02 × 114,232.58
  4. Step 4: Simplify right side
    354,123.47x = 60,690,514,909.11
  5. Step 5: Solve for x
    x = 60,690,514,909.11/354,123.47
  6. Step 6: Final answer
    x = 171,382.36

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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.