Home / 170,950.07-256,436.06-65,769.05

Finding the Fourth Proportional to 170,950.07, 256,436.06 and 65,769.05

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Solution

The fourth proportional to 170,950.07, 256,436.06 and 65,769.05 is: 98,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,950.07 : 256,436.06 = 65,769.05 : x
  2. Step 2: Convert to fraction form
    170,950.07/256,436.06 = 65,769.05/x
  3. Step 3: Cross multiply
    170,950.07x = 256,436.06 × 65,769.05
  4. Step 4: Simplify right side
    170,950.07x = 16,865,554,440.92
  5. Step 5: Solve for x
    x = 16,865,554,440.92/170,950.07
  6. Step 6: Final answer
    x = 98,657.78

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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.