Home / 236,276.11-326,061.11-128,843.38

Finding the Fourth Proportional to 236,276.11, 326,061.11 and 128,843.38

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Solution

The fourth proportional to 236,276.11, 326,061.11 and 128,843.38 is: 177,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,276.11 : 326,061.11 = 128,843.38 : x
  2. Step 2: Convert to fraction form
    236,276.11/326,061.11 = 128,843.38/x
  3. Step 3: Cross multiply
    236,276.11x = 326,061.11 × 128,843.38
  4. Step 4: Simplify right side
    236,276.11x = 42,010,814,039.58
  5. Step 5: Solve for x
    x = 42,010,814,039.58/236,276.11
  6. Step 6: Final answer
    x = 177,803.90

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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.