Home / 113,353.80-156,429.45-62,367.21

Finding the Fourth Proportional to 113,353.80, 156,429.45 and 62,367.21

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Solution

The fourth proportional to 113,353.80, 156,429.45 and 62,367.21 is: 86,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,353.80 : 156,429.45 = 62,367.21 : x
  2. Step 2: Convert to fraction form
    113,353.80/156,429.45 = 62,367.21/x
  3. Step 3: Cross multiply
    113,353.80x = 156,429.45 × 62,367.21
  4. Step 4: Simplify right side
    113,353.80x = 9,756,067,420.27
  5. Step 5: Solve for x
    x = 9,756,067,420.27/113,353.80
  6. Step 6: Final answer
    x = 86,067.40

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1.5x scale

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.