Home / 113,426.48-156,525.78-62,438.75

Finding the Fourth Proportional to 113,426.48, 156,525.78 and 62,438.75

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Solution

The fourth proportional to 113,426.48, 156,525.78 and 62,438.75 is: 86,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,426.48 : 156,525.78 = 62,438.75 : x
  2. Step 2: Convert to fraction form
    113,426.48/156,525.78 = 62,438.75/x
  3. Step 3: Cross multiply
    113,426.48x = 156,525.78 × 62,438.75
  4. Step 4: Simplify right side
    113,426.48x = 9,773,273,733.78
  5. Step 5: Solve for x
    x = 9,773,273,733.78/113,426.48
  6. Step 6: Final answer
    x = 86,163.95

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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.