Home / 282,167.06-389,401.76-154,847.21

Finding the Fourth Proportional to 282,167.06, 389,401.76 and 154,847.21

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Solution

The fourth proportional to 282,167.06, 389,401.76 and 154,847.21 is: 213,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,167.06 : 389,401.76 = 154,847.21 : x
  2. Step 2: Convert to fraction form
    282,167.06/389,401.76 = 154,847.21/x
  3. Step 3: Cross multiply
    282,167.06x = 389,401.76 × 154,847.21
  4. Step 4: Simplify right side
    282,167.06x = 60,297,774,545.20
  5. Step 5: Solve for x
    x = 60,297,774,545.20/282,167.06
  6. Step 6: Final answer
    x = 213,695.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.