Home / 134,548.16-185,675.56-74,117.43

Finding the Fourth Proportional to 134,548.16, 185,675.56 and 74,117.43

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Solution

The fourth proportional to 134,548.16, 185,675.56 and 74,117.43 is: 102,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,548.16 : 185,675.56 = 74,117.43 : x
  2. Step 2: Convert to fraction form
    134,548.16/185,675.56 = 74,117.43/x
  3. Step 3: Cross multiply
    134,548.16x = 185,675.56 × 74,117.43
  4. Step 4: Simplify right side
    134,548.16x = 13,761,795,135.72
  5. Step 5: Solve for x
    x = 13,761,795,135.72/134,548.16
  6. Step 6: Final answer
    x = 102,281.56

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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.