Home / 132,219.41-182,455.20-77,045.45

Finding the Fourth Proportional to 132,219.41, 182,455.20 and 77,045.45

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Solution

The fourth proportional to 132,219.41, 182,455.20 and 77,045.45 is: 106,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,219.41 : 182,455.20 = 77,045.45 : x
  2. Step 2: Convert to fraction form
    132,219.41/182,455.20 = 77,045.45/x
  3. Step 3: Cross multiply
    132,219.41x = 182,455.20 × 77,045.45
  4. Step 4: Simplify right side
    132,219.41x = 14,057,342,076.56
  5. Step 5: Solve for x
    x = 14,057,342,076.56/132,219.41
  6. Step 6: Final answer
    x = 106,318.30

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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.