Home / 355,177.02-490,151.52-194,042.51

Finding the Fourth Proportional to 355,177.02, 490,151.52 and 194,042.51

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Solution

The fourth proportional to 355,177.02, 490,151.52 and 194,042.51 is: 267,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,177.02 : 490,151.52 = 194,042.51 : x
  2. Step 2: Convert to fraction form
    355,177.02/490,151.52 = 194,042.51/x
  3. Step 3: Cross multiply
    355,177.02x = 490,151.52 × 194,042.51
  4. Step 4: Simplify right side
    355,177.02x = 95,110,231,221.12
  5. Step 5: Solve for x
    x = 95,110,231,221.12/355,177.02
  6. Step 6: Final answer
    x = 267,782.62

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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.