Home / 132,927.95-198,923.85-83,031.55

Finding the Fourth Proportional to 132,927.95, 198,923.85 and 83,031.55

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Solution

The fourth proportional to 132,927.95, 198,923.85 and 83,031.55 is: 124,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,927.95 : 198,923.85 = 83,031.55 : x
  2. Step 2: Convert to fraction form
    132,927.95/198,923.85 = 83,031.55/x
  3. Step 3: Cross multiply
    132,927.95x = 198,923.85 × 83,031.55
  4. Step 4: Simplify right side
    132,927.95x = 16,516,955,100.16
  5. Step 5: Solve for x
    x = 16,516,955,100.16/132,927.95
  6. Step 6: Final answer
    x = 124,254.94

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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.