Home / 179,391.78-247,580.10-98,827.56

Finding the Fourth Proportional to 179,391.78, 247,580.10 and 98,827.56

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Solution

The fourth proportional to 179,391.78, 247,580.10 and 98,827.56 is: 136,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,391.78 : 247,580.10 = 98,827.56 : x
  2. Step 2: Convert to fraction form
    179,391.78/247,580.10 = 98,827.56/x
  3. Step 3: Cross multiply
    179,391.78x = 247,580.10 × 98,827.56
  4. Step 4: Simplify right side
    179,391.78x = 24,467,737,187.56
  5. Step 5: Solve for x
    x = 24,467,737,187.56/179,391.78
  6. Step 6: Final answer
    x = 136,392.74

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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.