Home / 161,530.37-222,911.91-89,908.85

Finding the Fourth Proportional to 161,530.37, 222,911.91 and 89,908.85

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Solution

The fourth proportional to 161,530.37, 222,911.91 and 89,908.85 is: 124,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,530.37 : 222,911.91 = 89,908.85 : x
  2. Step 2: Convert to fraction form
    161,530.37/222,911.91 = 89,908.85/x
  3. Step 3: Cross multiply
    161,530.37x = 222,911.91 × 89,908.85
  4. Step 4: Simplify right side
    161,530.37x = 20,041,752,364.84
  5. Step 5: Solve for x
    x = 20,041,752,364.84/161,530.37
  6. Step 6: Final answer
    x = 124,074.21

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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.