Home / 338,139.28-466,632.18-187,236.28

Finding the Fourth Proportional to 338,139.28, 466,632.18 and 187,236.28

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Solution

The fourth proportional to 338,139.28, 466,632.18 and 187,236.28 is: 258,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,139.28 : 466,632.18 = 187,236.28 : x
  2. Step 2: Convert to fraction form
    338,139.28/466,632.18 = 187,236.28/x
  3. Step 3: Cross multiply
    338,139.28x = 466,632.18 × 187,236.28
  4. Step 4: Simplify right side
    338,139.28x = 87,370,473,511.49
  5. Step 5: Solve for x
    x = 87,370,473,511.49/338,139.28
  6. Step 6: Final answer
    x = 258,386.05

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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.