Home / 161,275.41-222,557.49-89,646.30

Finding the Fourth Proportional to 161,275.41, 222,557.49 and 89,646.30

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Solution

The fourth proportional to 161,275.41, 222,557.49 and 89,646.30 is: 123,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,275.41 : 222,557.49 = 89,646.30 : x
  2. Step 2: Convert to fraction form
    161,275.41/222,557.49 = 89,646.30/x
  3. Step 3: Cross multiply
    161,275.41x = 222,557.49 × 89,646.30
  4. Step 4: Simplify right side
    161,275.41x = 19,951,455,515.79
  5. Step 5: Solve for x
    x = 19,951,455,515.79/161,275.41
  6. Step 6: Final answer
    x = 123,710.46

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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.