Home / 176,609.68-243,713.94-100,133.92

Finding the Fourth Proportional to 176,609.68, 243,713.94 and 100,133.92

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Solution

The fourth proportional to 176,609.68, 243,713.94 and 100,133.92 is: 138,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,609.68 : 243,713.94 = 100,133.92 : x
  2. Step 2: Convert to fraction form
    176,609.68/243,713.94 = 100,133.92/x
  3. Step 3: Cross multiply
    176,609.68x = 243,713.94 × 100,133.92
  4. Step 4: Simplify right side
    176,609.68x = 24,404,032,170.84
  5. Step 5: Solve for x
    x = 24,404,032,170.84/176,609.68
  6. Step 6: Final answer
    x = 138,180.60

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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.