Home / 237,538.49-327,799.06-128,641.95

Finding the Fourth Proportional to 237,538.49, 327,799.06 and 128,641.95

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Solution

The fourth proportional to 237,538.49, 327,799.06 and 128,641.95 is: 177,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,538.49 : 327,799.06 = 128,641.95 : x
  2. Step 2: Convert to fraction form
    237,538.49/327,799.06 = 128,641.95/x
  3. Step 3: Cross multiply
    237,538.49x = 327,799.06 × 128,641.95
  4. Step 4: Simplify right side
    237,538.49x = 42,168,708,004.36
  5. Step 5: Solve for x
    x = 42,168,708,004.36/237,538.49
  6. Step 6: Final answer
    x = 177,523.69

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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.