Home / 169,611.12-255,267.36-127,708.20

Finding the Fourth Proportional to 169,611.12, 255,267.36 and 127,708.20

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Solution

The fourth proportional to 169,611.12, 255,267.36 and 127,708.20 is: 192,202.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,611.12 : 255,267.36 = 127,708.20 : x
  2. Step 2: Convert to fraction form
    169,611.12/255,267.36 = 127,708.20/x
  3. Step 3: Cross multiply
    169,611.12x = 255,267.36 × 127,708.20
  4. Step 4: Simplify right side
    169,611.12x = 32,599,735,064.35
  5. Step 5: Solve for x
    x = 32,599,735,064.35/169,611.12
  6. Step 6: Final answer
    x = 192,202.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.