Home / 129,298.40-193,947.24-40,552.40

Finding the Fourth Proportional to 129,298.40, 193,947.24 and 40,552.40

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Solution

The fourth proportional to 129,298.40, 193,947.24 and 40,552.40 is: 60,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,298.40 : 193,947.24 = 40,552.40 : x
  2. Step 2: Convert to fraction form
    129,298.40/193,947.24 = 40,552.40/x
  3. Step 3: Cross multiply
    129,298.40x = 193,947.24 × 40,552.40
  4. Step 4: Simplify right side
    129,298.40x = 7,865,026,055.38
  5. Step 5: Solve for x
    x = 7,865,026,055.38/129,298.40
  6. Step 6: Final answer
    x = 60,828.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.