Home / 160,228.64-240,339.72-47,909.36

Finding the Fourth Proportional to 160,228.64, 240,339.72 and 47,909.36

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Solution

The fourth proportional to 160,228.64, 240,339.72 and 47,909.36 is: 71,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,228.64 : 240,339.72 = 47,909.36 : x
  2. Step 2: Convert to fraction form
    160,228.64/240,339.72 = 47,909.36/x
  3. Step 3: Cross multiply
    160,228.64x = 240,339.72 × 47,909.36
  4. Step 4: Simplify right side
    160,228.64x = 11,514,522,167.78
  5. Step 5: Solve for x
    x = 11,514,522,167.78/160,228.64
  6. Step 6: Final answer
    x = 71,863.07

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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.