Home / 161,237.12-222,497.64-89,614.67

Finding the Fourth Proportional to 161,237.12, 222,497.64 and 89,614.67

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Solution

The fourth proportional to 161,237.12, 222,497.64 and 89,614.67 is: 123,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,237.12 : 222,497.64 = 89,614.67 : x
  2. Step 2: Convert to fraction form
    161,237.12/222,497.64 = 89,614.67/x
  3. Step 3: Cross multiply
    161,237.12x = 222,497.64 × 89,614.67
  4. Step 4: Simplify right side
    161,237.12x = 19,939,052,584.38
  5. Step 5: Solve for x
    x = 19,939,052,584.38/161,237.12
  6. Step 6: Final answer
    x = 123,662.92

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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.