Home / 132,511.19-182,864.55-75,161.67

Finding the Fourth Proportional to 132,511.19, 182,864.55 and 75,161.67

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Solution

The fourth proportional to 132,511.19, 182,864.55 and 75,161.67 is: 103,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,511.19 : 182,864.55 = 75,161.67 : x
  2. Step 2: Convert to fraction form
    132,511.19/182,864.55 = 75,161.67/x
  3. Step 3: Cross multiply
    132,511.19x = 182,864.55 × 75,161.67
  4. Step 4: Simplify right side
    132,511.19x = 13,744,404,961.80
  5. Step 5: Solve for x
    x = 13,744,404,961.80/132,511.19
  6. Step 6: Final answer
    x = 103,722.60

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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.