Home / 117,820.17-175,397.76-117,119.64

Finding the Fourth Proportional to 117,820.17, 175,397.76 and 117,119.64

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Solution

The fourth proportional to 117,820.17, 175,397.76 and 117,119.64 is: 174,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,820.17 : 175,397.76 = 117,119.64 : x
  2. Step 2: Convert to fraction form
    117,820.17/175,397.76 = 117,119.64/x
  3. Step 3: Cross multiply
    117,820.17x = 175,397.76 × 117,119.64
  4. Step 4: Simplify right side
    117,820.17x = 20,542,522,508.01
  5. Step 5: Solve for x
    x = 20,542,522,508.01/117,820.17
  6. Step 6: Final answer
    x = 174,354.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.