Home / 261,886.32-361,376.19-147,146.73

Finding the Fourth Proportional to 261,886.32, 361,376.19 and 147,146.73

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Solution

The fourth proportional to 261,886.32, 361,376.19 and 147,146.73 is: 203,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,886.32 : 361,376.19 = 147,146.73 : x
  2. Step 2: Convert to fraction form
    261,886.32/361,376.19 = 147,146.73/x
  3. Step 3: Cross multiply
    261,886.32x = 361,376.19 × 147,146.73
  4. Step 4: Simplify right side
    261,886.32x = 53,175,324,658.36
  5. Step 5: Solve for x
    x = 53,175,324,658.36/261,886.32
  6. Step 6: Final answer
    x = 203,047.36

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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.