Home / 161,113.82-222,336.98-89,500.51

Finding the Fourth Proportional to 161,113.82, 222,336.98 and 89,500.51

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Solution

The fourth proportional to 161,113.82, 222,336.98 and 89,500.51 is: 123,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113.82 : 222,336.98 = 89,500.51 : x
  2. Step 2: Convert to fraction form
    161,113.82/222,336.98 = 89,500.51/x
  3. Step 3: Cross multiply
    161,113.82x = 222,336.98 × 89,500.51
  4. Step 4: Simplify right side
    161,113.82x = 19,899,273,101.86
  5. Step 5: Solve for x
    x = 19,899,273,101.86/161,113.82
  6. Step 6: Final answer
    x = 123,510.65

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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.