Home / 117,041.10-175,561.65-103,481.70

Finding the Fourth Proportional to 117,041.10, 175,561.65 and 103,481.70

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Solution

The fourth proportional to 117,041.10, 175,561.65 and 103,481.70 is: 155,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,041.10 : 175,561.65 = 103,481.70 : x
  2. Step 2: Convert to fraction form
    117,041.10/175,561.65 = 103,481.70/x
  3. Step 3: Cross multiply
    117,041.10x = 175,561.65 × 103,481.70
  4. Step 4: Simplify right side
    117,041.10x = 18,167,417,996.81
  5. Step 5: Solve for x
    x = 18,167,417,996.81/117,041.10
  6. Step 6: Final answer
    x = 155,222.55

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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.