Home / 113,733.12-156,901.80-68,384.88

Finding the Fourth Proportional to 113,733.12, 156,901.80 and 68,384.88

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Solution

The fourth proportional to 113,733.12, 156,901.80 and 68,384.88 is: 94,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733.12 : 156,901.80 = 68,384.88 : x
  2. Step 2: Convert to fraction form
    113,733.12/156,901.80 = 68,384.88/x
  3. Step 3: Cross multiply
    113,733.12x = 156,901.80 × 68,384.88
  4. Step 4: Simplify right side
    113,733.12x = 10,729,710,764.78
  5. Step 5: Solve for x
    x = 10,729,710,764.78/113,733.12
  6. Step 6: Final answer
    x = 94,341.13

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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.