Home / 236,753.50-326,717.89-129,323.56

Finding the Fourth Proportional to 236,753.50, 326,717.89 and 129,323.56

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Solution

The fourth proportional to 236,753.50, 326,717.89 and 129,323.56 is: 178,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,753.50 : 326,717.89 = 129,323.56 : x
  2. Step 2: Convert to fraction form
    236,753.50/326,717.89 = 129,323.56/x
  3. Step 3: Cross multiply
    236,753.50x = 326,717.89 × 129,323.56
  4. Step 4: Simplify right side
    236,753.50x = 42,252,320,650.49
  5. Step 5: Solve for x
    x = 42,252,320,650.49/236,753.50
  6. Step 6: Final answer
    x = 178,465.45

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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.