Home / 117,557.40-176,336.10-73,161.30

Finding the Fourth Proportional to 117,557.40, 176,336.10 and 73,161.30

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Solution

The fourth proportional to 117,557.40, 176,336.10 and 73,161.30 is: 109,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,557.40 : 176,336.10 = 73,161.30 : x
  2. Step 2: Convert to fraction form
    117,557.40/176,336.10 = 73,161.30/x
  3. Step 3: Cross multiply
    117,557.40x = 176,336.10 × 73,161.30
  4. Step 4: Simplify right side
    117,557.40x = 12,900,978,312.93
  5. Step 5: Solve for x
    x = 12,900,978,312.93/117,557.40
  6. Step 6: Final answer
    x = 109,741.95

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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.