Home / 132,240.72-182,440.28-75,621.72

Finding the Fourth Proportional to 132,240.72, 182,440.28 and 75,621.72

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Solution

The fourth proportional to 132,240.72, 182,440.28 and 75,621.72 is: 104,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,240.72 : 182,440.28 = 75,621.72 : x
  2. Step 2: Convert to fraction form
    132,240.72/182,440.28 = 75,621.72/x
  3. Step 3: Cross multiply
    132,240.72x = 182,440.28 × 75,621.72
  4. Step 4: Simplify right side
    132,240.72x = 13,796,447,770.88
  5. Step 5: Solve for x
    x = 13,796,447,770.88/132,240.72
  6. Step 6: Final answer
    x = 104,328.29

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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.