Home / 242,748.64-364,142.40-185,904.48

Finding the Fourth Proportional to 242,748.64, 364,142.40 and 185,904.48

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Solution

The fourth proportional to 242,748.64, 364,142.40 and 185,904.48 is: 278,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,748.64 : 364,142.40 = 185,904.48 : x
  2. Step 2: Convert to fraction form
    242,748.64/364,142.40 = 185,904.48/x
  3. Step 3: Cross multiply
    242,748.64x = 364,142.40 × 185,904.48
  4. Step 4: Simplify right side
    242,748.64x = 67,695,703,517.95
  5. Step 5: Solve for x
    x = 67,695,703,517.95/242,748.64
  6. Step 6: Final answer
    x = 278,871.61

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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.