Home / 169,915.30-234,489.12-93,440.22

Finding the Fourth Proportional to 169,915.30, 234,489.12 and 93,440.22

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Solution

The fourth proportional to 169,915.30, 234,489.12 and 93,440.22 is: 128,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,915.30 : 234,489.12 = 93,440.22 : x
  2. Step 2: Convert to fraction form
    169,915.30/234,489.12 = 93,440.22/x
  3. Step 3: Cross multiply
    169,915.30x = 234,489.12 × 93,440.22
  4. Step 4: Simplify right side
    169,915.30x = 21,910,714,960.41
  5. Step 5: Solve for x
    x = 21,910,714,960.41/169,915.30
  6. Step 6: Final answer
    x = 128,950.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.