Home / 161,057.77-222,260.15-89,437.84

Finding the Fourth Proportional to 161,057.77, 222,260.15 and 89,437.84

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Solution

The fourth proportional to 161,057.77, 222,260.15 and 89,437.84 is: 123,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,057.77 : 222,260.15 = 89,437.84 : x
  2. Step 2: Convert to fraction form
    161,057.77/222,260.15 = 89,437.84/x
  3. Step 3: Cross multiply
    161,057.77x = 222,260.15 × 89,437.84
  4. Step 4: Simplify right side
    161,057.77x = 19,878,467,402.02
  5. Step 5: Solve for x
    x = 19,878,467,402.02/161,057.77
  6. Step 6: Final answer
    x = 123,424.46

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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.