Home / 115,516.19-173,280.47-36,636.57

Finding the Fourth Proportional to 115,516.19, 173,280.47 and 36,636.57

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Solution

The fourth proportional to 115,516.19, 173,280.47 and 36,636.57 is: 54,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,516.19 : 173,280.47 = 36,636.57 : x
  2. Step 2: Convert to fraction form
    115,516.19/173,280.47 = 36,636.57/x
  3. Step 3: Cross multiply
    115,516.19x = 173,280.47 × 36,636.57
  4. Step 4: Simplify right side
    115,516.19x = 6,348,401,885.61
  5. Step 5: Solve for x
    x = 6,348,401,885.61/115,516.19
  6. Step 6: Final answer
    x = 54,956.81

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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.