Home / 161,226.18-222,490.53-89,604.67

Finding the Fourth Proportional to 161,226.18, 222,490.53 and 89,604.67

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Solution

The fourth proportional to 161,226.18, 222,490.53 and 89,604.67 is: 123,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,226.18 : 222,490.53 = 89,604.67 : x
  2. Step 2: Convert to fraction form
    161,226.18/222,490.53 = 89,604.67/x
  3. Step 3: Cross multiply
    161,226.18x = 222,490.53 × 89,604.67
  4. Step 4: Simplify right side
    161,226.18x = 19,936,189,209.36
  5. Step 5: Solve for x
    x = 19,936,189,209.36/161,226.18
  6. Step 6: Final answer
    x = 123,653.55

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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.