Home / 134,470.06-185,561.84-74,029.24

Finding the Fourth Proportional to 134,470.06, 185,561.84 and 74,029.24

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Solution

The fourth proportional to 134,470.06, 185,561.84 and 74,029.24 is: 102,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,470.06 : 185,561.84 = 74,029.24 : x
  2. Step 2: Convert to fraction form
    134,470.06/185,561.84 = 74,029.24/x
  3. Step 3: Cross multiply
    134,470.06x = 185,561.84 × 74,029.24
  4. Step 4: Simplify right side
    134,470.06x = 13,737,001,988.20
  5. Step 5: Solve for x
    x = 13,737,001,988.20/134,470.06
  6. Step 6: Final answer
    x = 102,156.58

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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.