Home / 113,276.48-156,262.64-67,932.68

Finding the Fourth Proportional to 113,276.48, 156,262.64 and 67,932.68

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Solution

The fourth proportional to 113,276.48, 156,262.64 and 67,932.68 is: 93,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,276.48 : 156,262.64 = 67,932.68 : x
  2. Step 2: Convert to fraction form
    113,276.48/156,262.64 = 67,932.68/x
  3. Step 3: Cross multiply
    113,276.48x = 156,262.64 × 67,932.68
  4. Step 4: Simplify right side
    113,276.48x = 10,615,339,919.08
  5. Step 5: Solve for x
    x = 10,615,339,919.08/113,276.48
  6. Step 6: Final answer
    x = 93,711.77

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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.