Home / 261,932.76-361,510.70-154,529.19

Finding the Fourth Proportional to 261,932.76, 361,510.70 and 154,529.19

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Solution

The fourth proportional to 261,932.76, 361,510.70 and 154,529.19 is: 213,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,932.76 : 361,510.70 = 154,529.19 : x
  2. Step 2: Convert to fraction form
    261,932.76/361,510.70 = 154,529.19/x
  3. Step 3: Cross multiply
    261,932.76x = 361,510.70 × 154,529.19
  4. Step 4: Simplify right side
    261,932.76x = 55,863,954,874.69
  5. Step 5: Solve for x
    x = 55,863,954,874.69/261,932.76
  6. Step 6: Final answer
    x = 213,275.94

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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.