Home / 279,192.18-385,283.46-151,868.28

Finding the Fourth Proportional to 279,192.18, 385,283.46 and 151,868.28

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Solution

The fourth proportional to 279,192.18, 385,283.46 and 151,868.28 is: 209,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,192.18 : 385,283.46 = 151,868.28 : x
  2. Step 2: Convert to fraction form
    279,192.18/385,283.46 = 151,868.28/x
  3. Step 3: Cross multiply
    279,192.18x = 385,283.46 × 151,868.28
  4. Step 4: Simplify right side
    279,192.18x = 58,512,336,382.65
  5. Step 5: Solve for x
    x = 58,512,336,382.65/279,192.18
  6. Step 6: Final answer
    x = 209,577.28

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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.