Home / 154,589.11-213,437.29-96,534.54

Finding the Fourth Proportional to 154,589.11, 213,437.29 and 96,534.54

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Solution

The fourth proportional to 154,589.11, 213,437.29 and 96,534.54 is: 133,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,589.11 : 213,437.29 = 96,534.54 : x
  2. Step 2: Convert to fraction form
    154,589.11/213,437.29 = 96,534.54/x
  3. Step 3: Cross multiply
    154,589.11x = 213,437.29 × 96,534.54
  4. Step 4: Simplify right side
    154,589.11x = 20,604,070,126.32
  5. Step 5: Solve for x
    x = 20,604,070,126.32/154,589.11
  6. Step 6: Final answer
    x = 133,282.80

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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.