Home / 236,122.02-325,849.95-128,691.72

Finding the Fourth Proportional to 236,122.02, 325,849.95 and 128,691.72

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Solution

The fourth proportional to 236,122.02, 325,849.95 and 128,691.72 is: 177,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,122.02 : 325,849.95 = 128,691.72 : x
  2. Step 2: Convert to fraction form
    236,122.02/325,849.95 = 128,691.72/x
  3. Step 3: Cross multiply
    236,122.02x = 325,849.95 × 128,691.72
  4. Step 4: Simplify right side
    236,122.02x = 41,934,190,527.41
  5. Step 5: Solve for x
    x = 41,934,190,527.41/236,122.02
  6. Step 6: Final answer
    x = 177,595.43

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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.