Home / 131,522.10-197,283.15-89,531.70

Finding the Fourth Proportional to 131,522.10, 197,283.15 and 89,531.70

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Solution

The fourth proportional to 131,522.10, 197,283.15 and 89,531.70 is: 134,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,522.10 : 197,283.15 = 89,531.70 : x
  2. Step 2: Convert to fraction form
    131,522.10/197,283.15 = 89,531.70/x
  3. Step 3: Cross multiply
    131,522.10x = 197,283.15 × 89,531.70
  4. Step 4: Simplify right side
    131,522.10x = 17,663,095,800.86
  5. Step 5: Solve for x
    x = 17,663,095,800.86/131,522.10
  6. Step 6: Final answer
    x = 134,297.55

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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.