Home / 279,116.82-385,184.16-151,792.38

Finding the Fourth Proportional to 279,116.82, 385,184.16 and 151,792.38

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Solution

The fourth proportional to 279,116.82, 385,184.16 and 151,792.38 is: 209,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,116.82 : 385,184.16 = 151,792.38 : x
  2. Step 2: Convert to fraction form
    279,116.82/385,184.16 = 151,792.38/x
  3. Step 3: Cross multiply
    279,116.82x = 385,184.16 × 151,792.38
  4. Step 4: Simplify right side
    279,116.82x = 58,468,020,384.70
  5. Step 5: Solve for x
    x = 58,468,020,384.70/279,116.82
  6. Step 6: Final answer
    x = 209,475.09

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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.