Home / 131,124.49-180,947.32-73,764.95

Finding the Fourth Proportional to 131,124.49, 180,947.32 and 73,764.95

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Solution

The fourth proportional to 131,124.49, 180,947.32 and 73,764.95 is: 101,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,124.49 : 180,947.32 = 73,764.95 : x
  2. Step 2: Convert to fraction form
    131,124.49/180,947.32 = 73,764.95/x
  3. Step 3: Cross multiply
    131,124.49x = 180,947.32 × 73,764.95
  4. Step 4: Simplify right side
    131,124.49x = 13,347,568,923.29
  5. Step 5: Solve for x
    x = 13,347,568,923.29/131,124.49
  6. Step 6: Final answer
    x = 101,793.11

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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.