Home / 237,479.76-327,719.60-128,582.22

Finding the Fourth Proportional to 237,479.76, 327,719.60 and 128,582.22

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Solution

The fourth proportional to 237,479.76, 327,719.60 and 128,582.22 is: 177,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,479.76 : 327,719.60 = 128,582.22 : x
  2. Step 2: Convert to fraction form
    237,479.76/327,719.60 = 128,582.22/x
  3. Step 3: Cross multiply
    237,479.76x = 327,719.60 × 128,582.22
  4. Step 4: Simplify right side
    237,479.76x = 42,138,914,026.97
  5. Step 5: Solve for x
    x = 42,138,914,026.97/237,479.76
  6. Step 6: Final answer
    x = 177,442.13

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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.