Home / 170,783.12-256,209.24-59,983.76

Finding the Fourth Proportional to 170,783.12, 256,209.24 and 59,983.76

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Solution

The fourth proportional to 170,783.12, 256,209.24 and 59,983.76 is: 89,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,783.12 : 256,209.24 = 59,983.76 : x
  2. Step 2: Convert to fraction form
    170,783.12/256,209.24 = 59,983.76/x
  3. Step 3: Cross multiply
    170,783.12x = 256,209.24 × 59,983.76
  4. Step 4: Simplify right side
    170,783.12x = 15,368,393,561.94
  5. Step 5: Solve for x
    x = 15,368,393,561.94/170,783.12
  6. Step 6: Final answer
    x = 89,987.78

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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.