Home / 161,275.68-222,567.99-89,656.83

Finding the Fourth Proportional to 161,275.68, 222,567.99 and 89,656.83

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Solution

The fourth proportional to 161,275.68, 222,567.99 and 89,656.83 is: 123,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,275.68 : 222,567.99 = 89,656.83 : x
  2. Step 2: Convert to fraction form
    161,275.68/222,567.99 = 89,656.83/x
  3. Step 3: Cross multiply
    161,275.68x = 222,567.99 × 89,656.83
  4. Step 4: Simplify right side
    161,275.68x = 19,954,740,442.87
  5. Step 5: Solve for x
    x = 19,954,740,442.87/161,275.68
  6. Step 6: Final answer
    x = 123,730.62

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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.