Home / 261,623.72-360,997.28-154,179.16

Finding the Fourth Proportional to 261,623.72, 360,997.28 and 154,179.16

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Solution

The fourth proportional to 261,623.72, 360,997.28 and 154,179.16 is: 212,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,623.72 : 360,997.28 = 154,179.16 : x
  2. Step 2: Convert to fraction form
    261,623.72/360,997.28 = 154,179.16/x
  3. Step 3: Cross multiply
    261,623.72x = 360,997.28 × 154,179.16
  4. Step 4: Simplify right side
    261,623.72x = 55,658,257,392.68
  5. Step 5: Solve for x
    x = 55,658,257,392.68/261,623.72
  6. Step 6: Final answer
    x = 212,741.63

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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.