Home / 129,450.92-194,176.18-40,712.16

Finding the Fourth Proportional to 129,450.92, 194,176.18 and 40,712.16

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Solution

The fourth proportional to 129,450.92, 194,176.18 and 40,712.16 is: 61,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,450.92 : 194,176.18 = 40,712.16 : x
  2. Step 2: Convert to fraction form
    129,450.92/194,176.18 = 40,712.16/x
  3. Step 3: Cross multiply
    129,450.92x = 194,176.18 × 40,712.16
  4. Step 4: Simplify right side
    129,450.92x = 7,905,331,708.35
  5. Step 5: Solve for x
    x = 7,905,331,708.35/129,450.92
  6. Step 6: Final answer
    x = 61,068.18

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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.