Home / 251,949.40-347,677.05-156,454.06

Finding the Fourth Proportional to 251,949.40, 347,677.05 and 156,454.06

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Solution

The fourth proportional to 251,949.40, 347,677.05 and 156,454.06 is: 215,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,949.40 : 347,677.05 = 156,454.06 : x
  2. Step 2: Convert to fraction form
    251,949.40/347,677.05 = 156,454.06/x
  3. Step 3: Cross multiply
    251,949.40x = 347,677.05 × 156,454.06
  4. Step 4: Simplify right side
    251,949.40x = 54,395,486,041.32
  5. Step 5: Solve for x
    x = 54,395,486,041.32/251,949.40
  6. Step 6: Final answer
    x = 215,898.45

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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.