Home / 118,511.40-177,507.90-92,008.20

Finding the Fourth Proportional to 118,511.40, 177,507.90 and 92,008.20

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Solution

The fourth proportional to 118,511.40, 177,507.90 and 92,008.20 is: 137,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,511.40 : 177,507.90 = 92,008.20 : x
  2. Step 2: Convert to fraction form
    118,511.40/177,507.90 = 92,008.20/x
  3. Step 3: Cross multiply
    118,511.40x = 177,507.90 × 92,008.20
  4. Step 4: Simplify right side
    118,511.40x = 16,332,182,364.78
  5. Step 5: Solve for x
    x = 16,332,182,364.78/118,511.40
  6. Step 6: Final answer
    x = 137,811.07

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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.