Home / 161,432.37-222,775.47-88,839.45

Finding the Fourth Proportional to 161,432.37, 222,775.47 and 88,839.45

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Solution

The fourth proportional to 161,432.37, 222,775.47 and 88,839.45 is: 122,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,432.37 : 222,775.47 = 88,839.45 : x
  2. Step 2: Convert to fraction form
    161,432.37/222,775.47 = 88,839.45/x
  3. Step 3: Cross multiply
    161,432.37x = 222,775.47 × 88,839.45
  4. Step 4: Simplify right side
    161,432.37x = 19,791,250,228.29
  5. Step 5: Solve for x
    x = 19,791,250,228.29/161,432.37
  6. Step 6: Final answer
    x = 122,597.78

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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.