Home / 167,547.10-251,332.80-100,843.60

Finding the Fourth Proportional to 167,547.10, 251,332.80 and 100,843.60

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Solution

The fourth proportional to 167,547.10, 251,332.80 and 100,843.60 is: 151,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,547.10 : 251,332.80 = 100,843.60 : x
  2. Step 2: Convert to fraction form
    167,547.10/251,332.80 = 100,843.60/x
  3. Step 3: Cross multiply
    167,547.10x = 251,332.80 × 100,843.60
  4. Step 4: Simplify right side
    167,547.10x = 25,345,304,350.08
  5. Step 5: Solve for x
    x = 25,345,304,350.08/167,547.10
  6. Step 6: Final answer
    x = 151,272.71

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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.