Home / 236,376.16-326,200.17-128,945.86

Finding the Fourth Proportional to 236,376.16, 326,200.17 and 128,945.86

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Solution

The fourth proportional to 236,376.16, 326,200.17 and 128,945.86 is: 177,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,376.16 : 326,200.17 = 128,945.86 : x
  2. Step 2: Convert to fraction form
    236,376.16/326,200.17 = 128,945.86/x
  3. Step 3: Cross multiply
    236,376.16x = 326,200.17 × 128,945.86
  4. Step 4: Simplify right side
    236,376.16x = 42,062,161,452.80
  5. Step 5: Solve for x
    x = 42,062,161,452.80/236,376.16
  6. Step 6: Final answer
    x = 177,945.87

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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.