Home / 169,395.38-254,041.05-117,140.66

Finding the Fourth Proportional to 169,395.38, 254,041.05 and 117,140.66

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Solution

The fourth proportional to 169,395.38, 254,041.05 and 117,140.66 is: 175,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,395.38 : 254,041.05 = 117,140.66 : x
  2. Step 2: Convert to fraction form
    169,395.38/254,041.05 = 117,140.66/x
  3. Step 3: Cross multiply
    169,395.38x = 254,041.05 × 117,140.66
  4. Step 4: Simplify right side
    169,395.38x = 29,758,536,264.09
  5. Step 5: Solve for x
    x = 29,758,536,264.09/169,395.38
  6. Step 6: Final answer
    x = 175,675.02

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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.