Home / 143,363.84-215,045.52-38,183.12

Finding the Fourth Proportional to 143,363.84, 215,045.52 and 38,183.12

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Solution

The fourth proportional to 143,363.84, 215,045.52 and 38,183.12 is: 57,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,363.84 : 215,045.52 = 38,183.12 : x
  2. Step 2: Convert to fraction form
    143,363.84/215,045.52 = 38,183.12/x
  3. Step 3: Cross multiply
    143,363.84x = 215,045.52 × 38,183.12
  4. Step 4: Simplify right side
    143,363.84x = 8,211,108,895.62
  5. Step 5: Solve for x
    x = 8,211,108,895.62/143,363.84
  6. Step 6: Final answer
    x = 57,274.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.