Home / 140,726.92-194,196.45-77,065.06

Finding the Fourth Proportional to 140,726.92, 194,196.45 and 77,065.06

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Solution

The fourth proportional to 140,726.92, 194,196.45 and 77,065.06 is: 106,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,726.92 : 194,196.45 = 77,065.06 : x
  2. Step 2: Convert to fraction form
    140,726.92/194,196.45 = 77,065.06/x
  3. Step 3: Cross multiply
    140,726.92x = 194,196.45 × 77,065.06
  4. Step 4: Simplify right side
    140,726.92x = 14,965,761,071.04
  5. Step 5: Solve for x
    x = 14,965,761,071.04/140,726.92
  6. Step 6: Final answer
    x = 106,346.11

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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.