Home / 161,366.30-222,688.36-89,746.36

Finding the Fourth Proportional to 161,366.30, 222,688.36 and 89,746.36

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Solution

The fourth proportional to 161,366.30, 222,688.36 and 89,746.36 is: 123,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,366.30 : 222,688.36 = 89,746.36 : x
  2. Step 2: Convert to fraction form
    161,366.30/222,688.36 = 89,746.36/x
  3. Step 3: Cross multiply
    161,366.30x = 222,688.36 × 89,746.36
  4. Step 4: Simplify right side
    161,366.30x = 19,985,468,162.20
  5. Step 5: Solve for x
    x = 19,985,468,162.20/161,366.30
  6. Step 6: Final answer
    x = 123,851.56

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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.