Home / 149,527.20-206,339.76-92,937.36

Finding the Fourth Proportional to 149,527.20, 206,339.76 and 92,937.36

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Solution

The fourth proportional to 149,527.20, 206,339.76 and 92,937.36 is: 128,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,527.20 : 206,339.76 = 92,937.36 : x
  2. Step 2: Convert to fraction form
    149,527.20/206,339.76 = 92,937.36/x
  3. Step 3: Cross multiply
    149,527.20x = 206,339.76 × 92,937.36
  4. Step 4: Simplify right side
    149,527.20x = 19,176,672,557.43
  5. Step 5: Solve for x
    x = 19,176,672,557.43/149,527.20
  6. Step 6: Final answer
    x = 128,248.72

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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.