Home / 261,789.74-361,248.54-147,062.15

Finding the Fourth Proportional to 261,789.74, 361,248.54 and 147,062.15

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Solution

The fourth proportional to 261,789.74, 361,248.54 and 147,062.15 is: 202,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,789.74 : 361,248.54 = 147,062.15 : x
  2. Step 2: Convert to fraction form
    261,789.74/361,248.54 = 147,062.15/x
  3. Step 3: Cross multiply
    261,789.74x = 361,248.54 × 147,062.15
  4. Step 4: Simplify right side
    261,789.74x = 53,125,986,976.76
  5. Step 5: Solve for x
    x = 53,125,986,976.76/261,789.74
  6. Step 6: Final answer
    x = 202,933.80

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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.