Home / 127,621.61-176,110.97-70,249.77

Finding the Fourth Proportional to 127,621.61, 176,110.97 and 70,249.77

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Solution

The fourth proportional to 127,621.61, 176,110.97 and 70,249.77 is: 96,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,621.61 : 176,110.97 = 70,249.77 : x
  2. Step 2: Convert to fraction form
    127,621.61/176,110.97 = 70,249.77/x
  3. Step 3: Cross multiply
    127,621.61x = 176,110.97 × 70,249.77
  4. Step 4: Simplify right side
    127,621.61x = 12,371,755,136.98
  5. Step 5: Solve for x
    x = 12,371,755,136.98/127,621.61
  6. Step 6: Final answer
    x = 96,940.91

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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.