Home / 113,278.48-156,265.40-67,934.68

Finding the Fourth Proportional to 113,278.48, 156,265.40 and 67,934.68

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Solution

The fourth proportional to 113,278.48, 156,265.40 and 67,934.68 is: 93,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,278.48 : 156,265.40 = 67,934.68 : x
  2. Step 2: Convert to fraction form
    113,278.48/156,265.40 = 67,934.68/x
  3. Step 3: Cross multiply
    113,278.48x = 156,265.40 × 67,934.68
  4. Step 4: Simplify right side
    113,278.48x = 10,615,839,944.07
  5. Step 5: Solve for x
    x = 10,615,839,944.07/113,278.48
  6. Step 6: Final answer
    x = 93,714.53

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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.