Home / 161,530.49-222,912.09-89,908.98

Finding the Fourth Proportional to 161,530.49, 222,912.09 and 89,908.98

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Solution

The fourth proportional to 161,530.49, 222,912.09 and 89,908.98 is: 124,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,530.49 : 222,912.09 = 89,908.98 : x
  2. Step 2: Convert to fraction form
    161,530.49/222,912.09 = 89,908.98/x
  3. Step 3: Cross multiply
    161,530.49x = 222,912.09 × 89,908.98
  4. Step 4: Simplify right side
    161,530.49x = 20,041,797,077.46
  5. Step 5: Solve for x
    x = 20,041,797,077.46/161,530.49
  6. Step 6: Final answer
    x = 124,074.39

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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.