Home / 161,054.21-222,262.21-89,434.52

Finding the Fourth Proportional to 161,054.21, 222,262.21 and 89,434.52

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Solution

The fourth proportional to 161,054.21, 222,262.21 and 89,434.52 is: 123,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,054.21 : 222,262.21 = 89,434.52 : x
  2. Step 2: Convert to fraction form
    161,054.21/222,262.21 = 89,434.52/x
  3. Step 3: Cross multiply
    161,054.21x = 222,262.21 × 89,434.52
  4. Step 4: Simplify right side
    161,054.21x = 19,877,912,954.18
  5. Step 5: Solve for x
    x = 19,877,912,954.18/161,054.21
  6. Step 6: Final answer
    x = 123,423.74

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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.