Home / 171,053.05-236,064.77-99,432.85

Finding the Fourth Proportional to 171,053.05, 236,064.77 and 99,432.85

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Solution

The fourth proportional to 171,053.05, 236,064.77 and 99,432.85 is: 137,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,053.05 : 236,064.77 = 99,432.85 : x
  2. Step 2: Convert to fraction form
    171,053.05/236,064.77 = 99,432.85/x
  3. Step 3: Cross multiply
    171,053.05x = 236,064.77 × 99,432.85
  4. Step 4: Simplify right side
    171,053.05x = 23,472,592,865.69
  5. Step 5: Solve for x
    x = 23,472,592,865.69/171,053.05
  6. Step 6: Final answer
    x = 137,224.05

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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.