Home / 261,885.32-361,374.81-147,145.73

Finding the Fourth Proportional to 261,885.32, 361,374.81 and 147,145.73

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Solution

The fourth proportional to 261,885.32, 361,374.81 and 147,145.73 is: 203,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,885.32 : 361,374.81 = 147,145.73 : x
  2. Step 2: Convert to fraction form
    261,885.32/361,374.81 = 147,145.73/x
  3. Step 3: Cross multiply
    261,885.32x = 361,374.81 × 147,145.73
  4. Step 4: Simplify right side
    261,885.32x = 53,174,758,949.76
  5. Step 5: Solve for x
    x = 53,174,758,949.76/261,885.32
  6. Step 6: Final answer
    x = 203,045.97

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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.