Home / 132,240.09-198,186.87-61,153.74

Finding the Fourth Proportional to 132,240.09, 198,186.87 and 61,153.74

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Solution

The fourth proportional to 132,240.09, 198,186.87 and 61,153.74 is: 91,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,240.09 : 198,186.87 = 61,153.74 : x
  2. Step 2: Convert to fraction form
    132,240.09/198,186.87 = 61,153.74/x
  3. Step 3: Cross multiply
    132,240.09x = 198,186.87 × 61,153.74
  4. Step 4: Simplify right side
    132,240.09x = 12,119,868,319.39
  5. Step 5: Solve for x
    x = 12,119,868,319.39/132,240.09
  6. Step 6: Final answer
    x = 91,650.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.