Home / 134,432.84-185,522.60-74,009.11

Finding the Fourth Proportional to 134,432.84, 185,522.60 and 74,009.11

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Solution

The fourth proportional to 134,432.84, 185,522.60 and 74,009.11 is: 102,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,432.84 : 185,522.60 = 74,009.11 : x
  2. Step 2: Convert to fraction form
    134,432.84/185,522.60 = 74,009.11/x
  3. Step 3: Cross multiply
    134,432.84x = 185,522.60 × 74,009.11
  4. Step 4: Simplify right side
    134,432.84x = 13,730,361,797.28
  5. Step 5: Solve for x
    x = 13,730,361,797.28/134,432.84
  6. Step 6: Final answer
    x = 102,135.47

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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.