Home / 161,298.21-222,590.31-89,677.59

Finding the Fourth Proportional to 161,298.21, 222,590.31 and 89,677.59

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Solution

The fourth proportional to 161,298.21, 222,590.31 and 89,677.59 is: 123,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,298.21 : 222,590.31 = 89,677.59 : x
  2. Step 2: Convert to fraction form
    161,298.21/222,590.31 = 89,677.59/x
  3. Step 3: Cross multiply
    161,298.21x = 222,590.31 × 89,677.59
  4. Step 4: Simplify right side
    161,298.21x = 19,961,362,558.15
  5. Step 5: Solve for x
    x = 19,961,362,558.15/161,298.21
  6. Step 6: Final answer
    x = 123,754.40

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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.