Home / 136,401.10-204,601.65-61,605.70

Finding the Fourth Proportional to 136,401.10, 204,601.65 and 61,605.70

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Solution

The fourth proportional to 136,401.10, 204,601.65 and 61,605.70 is: 92,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,401.10 : 204,601.65 = 61,605.70 : x
  2. Step 2: Convert to fraction form
    136,401.10/204,601.65 = 61,605.70/x
  3. Step 3: Cross multiply
    136,401.10x = 204,601.65 × 61,605.70
  4. Step 4: Simplify right side
    136,401.10x = 12,604,627,869.41
  5. Step 5: Solve for x
    x = 12,604,627,869.41/136,401.10
  6. Step 6: Final answer
    x = 92,408.55

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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.