Home / 279,250.65-385,354.85-151,923.51

Finding the Fourth Proportional to 279,250.65, 385,354.85 and 151,923.51

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Solution

The fourth proportional to 279,250.65, 385,354.85 and 151,923.51 is: 209,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,250.65 : 385,354.85 = 151,923.51 : x
  2. Step 2: Convert to fraction form
    279,250.65/385,354.85 = 151,923.51/x
  3. Step 3: Cross multiply
    279,250.65x = 385,354.85 × 151,923.51
  4. Step 4: Simplify right side
    279,250.65x = 58,544,460,647.91
  5. Step 5: Solve for x
    x = 58,544,460,647.91/279,250.65
  6. Step 6: Final answer
    x = 209,648.43

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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.