Home / 355,302.32-490,296.38-194,158.62

Finding the Fourth Proportional to 355,302.32, 490,296.38 and 194,158.62

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Solution

The fourth proportional to 355,302.32, 490,296.38 and 194,158.62 is: 267,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,302.32 : 490,296.38 = 194,158.62 : x
  2. Step 2: Convert to fraction form
    355,302.32/490,296.38 = 194,158.62/x
  3. Step 3: Cross multiply
    355,302.32x = 490,296.38 × 194,158.62
  4. Step 4: Simplify right side
    355,302.32x = 95,195,267,561.00
  5. Step 5: Solve for x
    x = 95,195,267,561.00/355,302.32
  6. Step 6: Final answer
    x = 267,927.52

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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.