Home / 117,540.72-176,312.52-34,436.40

Finding the Fourth Proportional to 117,540.72, 176,312.52 and 34,436.40

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Solution

The fourth proportional to 117,540.72, 176,312.52 and 34,436.40 is: 51,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,540.72 : 176,312.52 = 34,436.40 : x
  2. Step 2: Convert to fraction form
    117,540.72/176,312.52 = 34,436.40/x
  3. Step 3: Cross multiply
    117,540.72x = 176,312.52 × 34,436.40
  4. Step 4: Simplify right side
    117,540.72x = 6,071,568,463.73
  5. Step 5: Solve for x
    x = 6,071,568,463.73/117,540.72
  6. Step 6: Final answer
    x = 51,655.02

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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.