Home / 161,029.91-222,222.21-88,435.91

Finding the Fourth Proportional to 161,029.91, 222,222.21 and 88,435.91

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Solution

The fourth proportional to 161,029.91, 222,222.21 and 88,435.91 is: 122,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,029.91 : 222,222.21 = 88,435.91 : x
  2. Step 2: Convert to fraction form
    161,029.91/222,222.21 = 88,435.91/x
  3. Step 3: Cross multiply
    161,029.91x = 222,222.21 × 88,435.91
  4. Step 4: Simplify right side
    161,029.91x = 19,652,423,363.56
  5. Step 5: Solve for x
    x = 19,652,423,363.56/161,029.91
  6. Step 6: Final answer
    x = 122,042.07

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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.