Home / 115,401.28-173,111.64-36,513.76

Finding the Fourth Proportional to 115,401.28, 173,111.64 and 36,513.76

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Solution

The fourth proportional to 115,401.28, 173,111.64 and 36,513.76 is: 54,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,401.28 : 173,111.64 = 36,513.76 : x
  2. Step 2: Convert to fraction form
    115,401.28/173,111.64 = 36,513.76/x
  3. Step 3: Cross multiply
    115,401.28x = 173,111.64 × 36,513.76
  4. Step 4: Simplify right side
    115,401.28x = 6,320,956,876.17
  5. Step 5: Solve for x
    x = 6,320,956,876.17/115,401.28
  6. Step 6: Final answer
    x = 54,773.72

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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.