Home / 132,420.96-182,737.08-75,065.57

Finding the Fourth Proportional to 132,420.96, 182,737.08 and 75,065.57

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Solution

The fourth proportional to 132,420.96, 182,737.08 and 75,065.57 is: 103,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,420.96 : 182,737.08 = 75,065.57 : x
  2. Step 2: Convert to fraction form
    132,420.96/182,737.08 = 75,065.57/x
  3. Step 3: Cross multiply
    132,420.96x = 182,737.08 × 75,065.57
  4. Step 4: Simplify right side
    132,420.96x = 13,717,262,841.91
  5. Step 5: Solve for x
    x = 13,717,262,841.91/132,420.96
  6. Step 6: Final answer
    x = 103,588.31

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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.