Home / 132,145.76-182,316.48-75,516.80

Finding the Fourth Proportional to 132,145.76, 182,316.48 and 75,516.80

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Solution

The fourth proportional to 132,145.76, 182,316.48 and 75,516.80 is: 104,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,145.76 : 182,316.48 = 75,516.80 : x
  2. Step 2: Convert to fraction form
    132,145.76/182,316.48 = 75,516.80/x
  3. Step 3: Cross multiply
    132,145.76x = 182,316.48 × 75,516.80
  4. Step 4: Simplify right side
    132,145.76x = 13,767,957,156.86
  5. Step 5: Solve for x
    x = 13,767,957,156.86/132,145.76
  6. Step 6: Final answer
    x = 104,187.66

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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.