Home / 161,372.22-222,688.62-88,774.76

Finding the Fourth Proportional to 161,372.22, 222,688.62 and 88,774.76

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Solution

The fourth proportional to 161,372.22, 222,688.62 and 88,774.76 is: 122,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,372.22 : 222,688.62 = 88,774.76 : x
  2. Step 2: Convert to fraction form
    161,372.22/222,688.62 = 88,774.76/x
  3. Step 3: Cross multiply
    161,372.22x = 222,688.62 × 88,774.76
  4. Step 4: Simplify right side
    161,372.22x = 19,769,127,681.79
  5. Step 5: Solve for x
    x = 19,769,127,681.79/161,372.22
  6. Step 6: Final answer
    x = 122,506.39

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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.