Home / 170,343.36-255,545.82-70,449.30

Finding the Fourth Proportional to 170,343.36, 255,545.82 and 70,449.30

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Solution

The fourth proportional to 170,343.36, 255,545.82 and 70,449.30 is: 105,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,343.36 : 255,545.82 = 70,449.30 : x
  2. Step 2: Convert to fraction form
    170,343.36/255,545.82 = 70,449.30/x
  3. Step 3: Cross multiply
    170,343.36x = 255,545.82 × 70,449.30
  4. Step 4: Simplify right side
    170,343.36x = 18,003,024,136.93
  5. Step 5: Solve for x
    x = 18,003,024,136.93/170,343.36
  6. Step 6: Final answer
    x = 105,686.68

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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.