Home / 355,251.17-490,232.04-194,111.75

Finding the Fourth Proportional to 355,251.17, 490,232.04 and 194,111.75

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Solution

The fourth proportional to 355,251.17, 490,232.04 and 194,111.75 is: 267,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,251.17 : 490,232.04 = 194,111.75 : x
  2. Step 2: Convert to fraction form
    355,251.17/490,232.04 = 194,111.75/x
  3. Step 3: Cross multiply
    355,251.17x = 490,232.04 × 194,111.75
  4. Step 4: Simplify right side
    355,251.17x = 95,159,799,190.47
  5. Step 5: Solve for x
    x = 95,159,799,190.47/355,251.17
  6. Step 6: Final answer
    x = 267,866.25

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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.