Home / 236,463.50-326,327.46-129,039.44

Finding the Fourth Proportional to 236,463.50, 326,327.46 and 129,039.44

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Solution

The fourth proportional to 236,463.50, 326,327.46 and 129,039.44 is: 178,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,463.50 : 326,327.46 = 129,039.44 : x
  2. Step 2: Convert to fraction form
    236,463.50/326,327.46 = 129,039.44/x
  3. Step 3: Cross multiply
    236,463.50x = 326,327.46 × 129,039.44
  4. Step 4: Simplify right side
    236,463.50x = 42,109,112,695.02
  5. Step 5: Solve for x
    x = 42,109,112,695.02/236,463.50
  6. Step 6: Final answer
    x = 178,078.70

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1.5x scale

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.