Home / 132,960.03-183,525.78-81,988.76

Finding the Fourth Proportional to 132,960.03, 183,525.78 and 81,988.76

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Solution

The fourth proportional to 132,960.03, 183,525.78 and 81,988.76 is: 113,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,960.03 : 183,525.78 = 81,988.76 : x
  2. Step 2: Convert to fraction form
    132,960.03/183,525.78 = 81,988.76/x
  3. Step 3: Cross multiply
    132,960.03x = 183,525.78 × 81,988.76
  4. Step 4: Simplify right side
    132,960.03x = 15,047,050,212.60
  5. Step 5: Solve for x
    x = 15,047,050,212.60/132,960.03
  6. Step 6: Final answer
    x = 113,169.73

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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.