Home / 117,442.56-176,213.20-73,106.40

Finding the Fourth Proportional to 117,442.56, 176,213.20 and 73,106.40

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Solution

The fourth proportional to 117,442.56, 176,213.20 and 73,106.40 is: 109,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,442.56 : 176,213.20 = 73,106.40 : x
  2. Step 2: Convert to fraction form
    117,442.56/176,213.20 = 73,106.40/x
  3. Step 3: Cross multiply
    117,442.56x = 176,213.20 × 73,106.40
  4. Step 4: Simplify right side
    117,442.56x = 12,882,312,684.48
  5. Step 5: Solve for x
    x = 12,882,312,684.48/117,442.56
  6. Step 6: Final answer
    x = 109,690.33

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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.