Home / 237,480.22-327,720.25-128,582.69

Finding the Fourth Proportional to 237,480.22, 327,720.25 and 128,582.69

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Solution

The fourth proportional to 237,480.22, 327,720.25 and 128,582.69 is: 177,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,480.22 : 327,720.25 = 128,582.69 : x
  2. Step 2: Convert to fraction form
    237,480.22/327,720.25 = 128,582.69/x
  3. Step 3: Cross multiply
    237,480.22x = 327,720.25 × 128,582.69
  4. Step 4: Simplify right side
    237,480.22x = 42,139,151,810.32
  5. Step 5: Solve for x
    x = 42,139,151,810.32/237,480.22
  6. Step 6: Final answer
    x = 177,442.78

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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.