Home / 161,102.72-222,350.87-93,110.31

Finding the Fourth Proportional to 161,102.72, 222,350.87 and 93,110.31

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Solution

The fourth proportional to 161,102.72, 222,350.87 and 93,110.31 is: 128,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,102.72 : 222,350.87 = 93,110.31 : x
  2. Step 2: Convert to fraction form
    161,102.72/222,350.87 = 93,110.31/x
  3. Step 3: Cross multiply
    161,102.72x = 222,350.87 × 93,110.31
  4. Step 4: Simplify right side
    161,102.72x = 20,703,158,667.25
  5. Step 5: Solve for x
    x = 20,703,158,667.25/161,102.72
  6. Step 6: Final answer
    x = 128,509.06

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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.