Home / 113,519.40-156,653.12-67,578.88

Finding the Fourth Proportional to 113,519.40, 156,653.12 and 67,578.88

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Solution

The fourth proportional to 113,519.40, 156,653.12 and 67,578.88 is: 93,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,519.40 : 156,653.12 = 67,578.88 : x
  2. Step 2: Convert to fraction form
    113,519.40/156,653.12 = 67,578.88/x
  3. Step 3: Cross multiply
    113,519.40x = 156,653.12 × 67,578.88
  4. Step 4: Simplify right side
    113,519.40x = 10,586,442,398.11
  5. Step 5: Solve for x
    x = 10,586,442,398.11/113,519.40
  6. Step 6: Final answer
    x = 93,256.68

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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.