Home / 113,447.68-156,567.04-63,147.52

Finding the Fourth Proportional to 113,447.68, 156,567.04 and 63,147.52

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Solution

The fourth proportional to 113,447.68, 156,567.04 and 63,147.52 is: 87,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,447.68 : 156,567.04 = 63,147.52 : x
  2. Step 2: Convert to fraction form
    113,447.68/156,567.04 = 63,147.52/x
  3. Step 3: Cross multiply
    113,447.68x = 156,567.04 × 63,147.52
  4. Step 4: Simplify right side
    113,447.68x = 9,886,820,289.74
  5. Step 5: Solve for x
    x = 9,886,820,289.74/113,447.68
  6. Step 6: Final answer
    x = 87,148.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.