Home / 154,326.44-231,430.80-54,468.02

Finding the Fourth Proportional to 154,326.44, 231,430.80 and 54,468.02

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Solution

The fourth proportional to 154,326.44, 231,430.80 and 54,468.02 is: 81,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,326.44 : 231,430.80 = 54,468.02 : x
  2. Step 2: Convert to fraction form
    154,326.44/231,430.80 = 54,468.02/x
  3. Step 3: Cross multiply
    154,326.44x = 231,430.80 × 54,468.02
  4. Step 4: Simplify right side
    154,326.44x = 12,605,577,443.02
  5. Step 5: Solve for x
    x = 12,605,577,443.02/154,326.44
  6. Step 6: Final answer
    x = 81,681.26

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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.