Home / 161,237.58-222,503.25-89,615.76

Finding the Fourth Proportional to 161,237.58, 222,503.25 and 89,615.76

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Solution

The fourth proportional to 161,237.58, 222,503.25 and 89,615.76 is: 123,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,237.58 : 222,503.25 = 89,615.76 : x
  2. Step 2: Convert to fraction form
    161,237.58/222,503.25 = 89,615.76/x
  3. Step 3: Cross multiply
    161,237.58x = 222,503.25 × 89,615.76
  4. Step 4: Simplify right side
    161,237.58x = 19,939,797,851.22
  5. Step 5: Solve for x
    x = 19,939,797,851.22/161,237.58
  6. Step 6: Final answer
    x = 123,667.19

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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.