Home / 161,394.36-222,703.02-89,760.12

Finding the Fourth Proportional to 161,394.36, 222,703.02 and 89,760.12

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Solution

The fourth proportional to 161,394.36, 222,703.02 and 89,760.12 is: 123,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,394.36 : 222,703.02 = 89,760.12 : x
  2. Step 2: Convert to fraction form
    161,394.36/222,703.02 = 89,760.12/x
  3. Step 3: Cross multiply
    161,394.36x = 222,703.02 × 89,760.12
  4. Step 4: Simplify right side
    161,394.36x = 19,989,849,799.56
  5. Step 5: Solve for x
    x = 19,989,849,799.56/161,394.36
  6. Step 6: Final answer
    x = 123,857.18

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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.