Home / 242,734.20-364,088.19-74,254.55

Finding the Fourth Proportional to 242,734.20, 364,088.19 and 74,254.55

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Solution

The fourth proportional to 242,734.20, 364,088.19 and 74,254.55 is: 111,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,734.20 : 364,088.19 = 74,254.55 : x
  2. Step 2: Convert to fraction form
    242,734.20/364,088.19 = 74,254.55/x
  3. Step 3: Cross multiply
    242,734.20x = 364,088.19 × 74,254.55
  4. Step 4: Simplify right side
    242,734.20x = 27,035,203,166.78
  5. Step 5: Solve for x
    x = 27,035,203,166.78/242,734.20
  6. Step 6: Final answer
    x = 111,377.81

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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.