Home / 161,087.65-222,301.20-89,465.83

Finding the Fourth Proportional to 161,087.65, 222,301.20 and 89,465.83

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Solution

The fourth proportional to 161,087.65, 222,301.20 and 89,465.83 is: 123,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,087.65 : 222,301.20 = 89,465.83 : x
  2. Step 2: Convert to fraction form
    161,087.65/222,301.20 = 89,465.83/x
  3. Step 3: Cross multiply
    161,087.65x = 222,301.20 × 89,465.83
  4. Step 4: Simplify right side
    161,087.65x = 19,888,361,368.00
  5. Step 5: Solve for x
    x = 19,888,361,368.00/161,087.65
  6. Step 6: Final answer
    x = 123,462.98

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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.