Home / 132,150.56-182,290.96-81,813.92

Finding the Fourth Proportional to 132,150.56, 182,290.96 and 81,813.92

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Solution

The fourth proportional to 132,150.56, 182,290.96 and 81,813.92 is: 112,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,150.56 : 182,290.96 = 81,813.92 : x
  2. Step 2: Convert to fraction form
    132,150.56/182,290.96 = 81,813.92/x
  3. Step 3: Cross multiply
    132,150.56x = 182,290.96 × 81,813.92
  4. Step 4: Simplify right side
    132,150.56x = 14,913,938,018.16
  5. Step 5: Solve for x
    x = 14,913,938,018.16/132,150.56
  6. Step 6: Final answer
    x = 112,855.66

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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.