Home / 261,423.45-360,841.64-154,028.18

Finding the Fourth Proportional to 261,423.45, 360,841.64 and 154,028.18

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Solution

The fourth proportional to 261,423.45, 360,841.64 and 154,028.18 is: 212,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,423.45 : 360,841.64 = 154,028.18 : x
  2. Step 2: Convert to fraction form
    261,423.45/360,841.64 = 154,028.18/x
  3. Step 3: Cross multiply
    261,423.45x = 360,841.64 × 154,028.18
  4. Step 4: Simplify right side
    261,423.45x = 55,579,781,209.38
  5. Step 5: Solve for x
    x = 55,579,781,209.38/261,423.45
  6. Step 6: Final answer
    x = 212,604.42

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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.