Home / 189,461.39-284,192.42-126,404.70

Finding the Fourth Proportional to 189,461.39, 284,192.42 and 126,404.70

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Solution

The fourth proportional to 189,461.39, 284,192.42 and 126,404.70 is: 189,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,461.39 : 284,192.42 = 126,404.70 : x
  2. Step 2: Convert to fraction form
    189,461.39/284,192.42 = 126,404.70/x
  3. Step 3: Cross multiply
    189,461.39x = 284,192.42 × 126,404.70
  4. Step 4: Simplify right side
    189,461.39x = 35,923,256,960.35
  5. Step 5: Solve for x
    x = 35,923,256,960.35/189,461.39
  6. Step 6: Final answer
    x = 189,607.28

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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.