Home / 161,212.06-222,455.73-89,580.52

Finding the Fourth Proportional to 161,212.06, 222,455.73 and 89,580.52

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Solution

The fourth proportional to 161,212.06, 222,455.73 and 89,580.52 is: 123,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,212.06 : 222,455.73 = 89,580.52 : x
  2. Step 2: Convert to fraction form
    161,212.06/222,455.73 = 89,580.52/x
  3. Step 3: Cross multiply
    161,212.06x = 222,455.73 × 89,580.52
  4. Step 4: Simplify right side
    161,212.06x = 19,927,699,970.38
  5. Step 5: Solve for x
    x = 19,927,699,970.38/161,212.06
  6. Step 6: Final answer
    x = 123,611.72

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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.