Home / 117,750.20-176,636.10-38,864.60

Finding the Fourth Proportional to 117,750.20, 176,636.10 and 38,864.60

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Solution

The fourth proportional to 117,750.20, 176,636.10 and 38,864.60 is: 58,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,750.20 : 176,636.10 = 38,864.60 : x
  2. Step 2: Convert to fraction form
    117,750.20/176,636.10 = 38,864.60/x
  3. Step 3: Cross multiply
    117,750.20x = 176,636.10 × 38,864.60
  4. Step 4: Simplify right side
    117,750.20x = 6,864,891,372.06
  5. Step 5: Solve for x
    x = 6,864,891,372.06/117,750.20
  6. Step 6: Final answer
    x = 58,300.46

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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.