Home / 161,104.72-222,353.63-93,112.31

Finding the Fourth Proportional to 161,104.72, 222,353.63 and 93,112.31

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Solution

The fourth proportional to 161,104.72, 222,353.63 and 93,112.31 is: 128,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,104.72 : 222,353.63 = 93,112.31 : x
  2. Step 2: Convert to fraction form
    161,104.72/222,353.63 = 93,112.31/x
  3. Step 3: Cross multiply
    161,104.72x = 222,353.63 × 93,112.31
  4. Step 4: Simplify right side
    161,104.72x = 20,703,860,126.19
  5. Step 5: Solve for x
    x = 20,703,860,126.19/161,104.72
  6. Step 6: Final answer
    x = 128,511.82

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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.