Home / 170,436.20-255,724.50-70,616.48

Finding the Fourth Proportional to 170,436.20, 255,724.50 and 70,616.48

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Solution

The fourth proportional to 170,436.20, 255,724.50 and 70,616.48 is: 105,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,436.20 : 255,724.50 = 70,616.48 : x
  2. Step 2: Convert to fraction form
    170,436.20/255,724.50 = 70,616.48/x
  3. Step 3: Cross multiply
    170,436.20x = 255,724.50 × 70,616.48
  4. Step 4: Simplify right side
    170,436.20x = 18,058,364,039.76
  5. Step 5: Solve for x
    x = 18,058,364,039.76/170,436.20
  6. Step 6: Final answer
    x = 105,953.81

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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.