Home / 187,671.24-258,944.70-111,152.16

Finding the Fourth Proportional to 187,671.24, 258,944.70 and 111,152.16

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Solution

The fourth proportional to 187,671.24, 258,944.70 and 111,152.16 is: 153,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,671.24 : 258,944.70 = 111,152.16 : x
  2. Step 2: Convert to fraction form
    187,671.24/258,944.70 = 111,152.16/x
  3. Step 3: Cross multiply
    187,671.24x = 258,944.70 × 111,152.16
  4. Step 4: Simplify right side
    187,671.24x = 28,782,262,725.55
  5. Step 5: Solve for x
    x = 28,782,262,725.55/187,671.24
  6. Step 6: Final answer
    x = 153,365.34

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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.