Home / 170,037.40-255,065.70-51,712.60

Finding the Fourth Proportional to 170,037.40, 255,065.70 and 51,712.60

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Solution

The fourth proportional to 170,037.40, 255,065.70 and 51,712.60 is: 77,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,037.40 : 255,065.70 = 51,712.60 : x
  2. Step 2: Convert to fraction form
    170,037.40/255,065.70 = 51,712.60/x
  3. Step 3: Cross multiply
    170,037.40x = 255,065.70 × 51,712.60
  4. Step 4: Simplify right side
    170,037.40x = 13,190,110,517.82
  5. Step 5: Solve for x
    x = 13,190,110,517.82/170,037.40
  6. Step 6: Final answer
    x = 77,571.82

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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.