Home / 331,450.38-457,401.60-180,547.38

Finding the Fourth Proportional to 331,450.38, 457,401.60 and 180,547.38

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Solution

The fourth proportional to 331,450.38, 457,401.60 and 180,547.38 is: 249,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,450.38 : 457,401.60 = 180,547.38 : x
  2. Step 2: Convert to fraction form
    331,450.38/457,401.60 = 180,547.38/x
  3. Step 3: Cross multiply
    331,450.38x = 457,401.60 × 180,547.38
  4. Step 4: Simplify right side
    331,450.38x = 82,582,660,487.81
  5. Step 5: Solve for x
    x = 82,582,660,487.81/331,450.38
  6. Step 6: Final answer
    x = 249,155.43

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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.