Home / 313,103.11-432,082.45-169,863.12

Finding the Fourth Proportional to 313,103.11, 432,082.45 and 169,863.12

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Solution

The fourth proportional to 313,103.11, 432,082.45 and 169,863.12 is: 234,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,103.11 : 432,082.45 = 169,863.12 : x
  2. Step 2: Convert to fraction form
    313,103.11/432,082.45 = 169,863.12/x
  3. Step 3: Cross multiply
    313,103.11x = 432,082.45 × 169,863.12
  4. Step 4: Simplify right side
    313,103.11x = 73,394,872,051.34
  5. Step 5: Solve for x
    x = 73,394,872,051.34/313,103.11
  6. Step 6: Final answer
    x = 234,411.19

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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.