Home / 170,156.46-255,348.99-70,316.49

Finding the Fourth Proportional to 170,156.46, 255,348.99 and 70,316.49

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Solution

The fourth proportional to 170,156.46, 255,348.99 and 70,316.49 is: 105,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,156.46 : 255,348.99 = 70,316.49 : x
  2. Step 2: Convert to fraction form
    170,156.46/255,348.99 = 70,316.49/x
  3. Step 3: Cross multiply
    170,156.46x = 255,348.99 × 70,316.49
  4. Step 4: Simplify right side
    170,156.46x = 17,955,245,596.97
  5. Step 5: Solve for x
    x = 17,955,245,596.97/170,156.46
  6. Step 6: Final answer
    x = 105,521.97

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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.