Home / 161,340.04-222,631.21-89,715.79

Finding the Fourth Proportional to 161,340.04, 222,631.21 and 89,715.79

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Solution

The fourth proportional to 161,340.04, 222,631.21 and 89,715.79 is: 123,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,340.04 : 222,631.21 = 89,715.79 : x
  2. Step 2: Convert to fraction form
    161,340.04/222,631.21 = 89,715.79/x
  3. Step 3: Cross multiply
    161,340.04x = 222,631.21 × 89,715.79
  4. Step 4: Simplify right side
    161,340.04x = 19,973,534,883.81
  5. Step 5: Solve for x
    x = 19,973,534,883.81/161,340.04
  6. Step 6: Final answer
    x = 123,797.76

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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.