Home / 187,400.37-281,128.34-54,264.01

Finding the Fourth Proportional to 187,400.37, 281,128.34 and 54,264.01

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Solution

The fourth proportional to 187,400.37, 281,128.34 and 54,264.01 is: 81,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,400.37 : 281,128.34 = 54,264.01 : x
  2. Step 2: Convert to fraction form
    187,400.37/281,128.34 = 54,264.01/x
  3. Step 3: Cross multiply
    187,400.37x = 281,128.34 × 54,264.01
  4. Step 4: Simplify right side
    187,400.37x = 15,255,151,053.04
  5. Step 5: Solve for x
    x = 15,255,151,053.04/187,400.37
  6. Step 6: Final answer
    x = 81,404.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.