Home / 170,331.26-255,348.39-70,429.10

Finding the Fourth Proportional to 170,331.26, 255,348.39 and 70,429.10

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Solution

The fourth proportional to 170,331.26, 255,348.39 and 70,429.10 is: 105,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,331.26 : 255,348.39 = 70,429.10 : x
  2. Step 2: Convert to fraction form
    170,331.26/255,348.39 = 70,429.10/x
  3. Step 3: Cross multiply
    170,331.26x = 255,348.39 × 70,429.10
  4. Step 4: Simplify right side
    170,331.26x = 17,983,957,294.15
  5. Step 5: Solve for x
    x = 17,983,957,294.15/170,331.26
  6. Step 6: Final answer
    x = 105,582.25

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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.