Home / 355,130.24-490,091.52-194,000.30

Finding the Fourth Proportional to 355,130.24, 490,091.52 and 194,000.30

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Solution

The fourth proportional to 355,130.24, 490,091.52 and 194,000.30 is: 267,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,130.24 : 490,091.52 = 194,000.30 : x
  2. Step 2: Convert to fraction form
    355,130.24/490,091.52 = 194,000.30/x
  3. Step 3: Cross multiply
    355,130.24x = 490,091.52 × 194,000.30
  4. Step 4: Simplify right side
    355,130.24x = 95,077,901,907.46
  5. Step 5: Solve for x
    x = 95,077,901,907.46/355,130.24
  6. Step 6: Final answer
    x = 267,726.85

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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.