Home / 117,258.62-176,123.19-69,966.06

Finding the Fourth Proportional to 117,258.62, 176,123.19 and 69,966.06

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Solution

The fourth proportional to 117,258.62, 176,123.19 and 69,966.06 is: 105,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,258.62 : 176,123.19 = 69,966.06 : x
  2. Step 2: Convert to fraction form
    117,258.62/176,123.19 = 69,966.06/x
  3. Step 3: Cross multiply
    117,258.62x = 176,123.19 × 69,966.06
  4. Step 4: Simplify right side
    117,258.62x = 12,322,645,678.93
  5. Step 5: Solve for x
    x = 12,322,645,678.93/117,258.62
  6. Step 6: Final answer
    x = 105,089.47

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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.