Home / 111,326.04-153,540.36-97,868.52

Finding the Fourth Proportional to 111,326.04, 153,540.36 and 97,868.52

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Solution

The fourth proportional to 111,326.04, 153,540.36 and 97,868.52 is: 134,979.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,326.04 : 153,540.36 = 97,868.52 : x
  2. Step 2: Convert to fraction form
    111,326.04/153,540.36 = 97,868.52/x
  3. Step 3: Cross multiply
    111,326.04x = 153,540.36 × 97,868.52
  4. Step 4: Simplify right side
    111,326.04x = 15,026,767,793.47
  5. Step 5: Solve for x
    x = 15,026,767,793.47/111,326.04
  6. Step 6: Final answer
    x = 134,979.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.