Home / 117,258.50-176,123.92-69,966.02

Finding the Fourth Proportional to 117,258.50, 176,123.92 and 69,966.02

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Solution

The fourth proportional to 117,258.50, 176,123.92 and 69,966.02 is: 105,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,258.50 : 176,123.92 = 69,966.02 : x
  2. Step 2: Convert to fraction form
    117,258.50/176,123.92 = 69,966.02/x
  3. Step 3: Cross multiply
    117,258.50x = 176,123.92 × 69,966.02
  4. Step 4: Simplify right side
    117,258.50x = 12,322,689,709.20
  5. Step 5: Solve for x
    x = 12,322,689,709.20/117,258.50
  6. Step 6: Final answer
    x = 105,089.95

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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.