Home / 173,257.32-259,706.78-66,612.20

Finding the Fourth Proportional to 173,257.32, 259,706.78 and 66,612.20

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Solution

The fourth proportional to 173,257.32, 259,706.78 and 66,612.20 is: 99,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,257.32 : 259,706.78 = 66,612.20 : x
  2. Step 2: Convert to fraction form
    173,257.32/259,706.78 = 66,612.20/x
  3. Step 3: Cross multiply
    173,257.32x = 259,706.78 × 66,612.20
  4. Step 4: Simplify right side
    173,257.32x = 17,299,639,970.72
  5. Step 5: Solve for x
    x = 17,299,639,970.72/173,257.32
  6. Step 6: Final answer
    x = 99,849.40

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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.