Home / 132,901.88-199,248.18-66,307.76

Finding the Fourth Proportional to 132,901.88, 199,248.18 and 66,307.76

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Solution

The fourth proportional to 132,901.88, 199,248.18 and 66,307.76 is: 99,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,901.88 : 199,248.18 = 66,307.76 : x
  2. Step 2: Convert to fraction form
    132,901.88/199,248.18 = 66,307.76/x
  3. Step 3: Cross multiply
    132,901.88x = 199,248.18 × 66,307.76
  4. Step 4: Simplify right side
    132,901.88x = 13,211,700,499.88
  5. Step 5: Solve for x
    x = 13,211,700,499.88/132,901.88
  6. Step 6: Final answer
    x = 99,409.43

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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.