Home / 129,365.13-194,055.90-40,622.13

Finding the Fourth Proportional to 129,365.13, 194,055.90 and 40,622.13

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Solution

The fourth proportional to 129,365.13, 194,055.90 and 40,622.13 is: 60,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,365.13 : 194,055.90 = 40,622.13 : x
  2. Step 2: Convert to fraction form
    129,365.13/194,055.90 = 40,622.13/x
  3. Step 3: Cross multiply
    129,365.13x = 194,055.90 × 40,622.13
  4. Step 4: Simplify right side
    129,365.13x = 7,882,963,997.07
  5. Step 5: Solve for x
    x = 7,882,963,997.07/129,365.13
  6. Step 6: Final answer
    x = 60,935.77

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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.