Home / 161,513.06-222,885.76-89,893.10

Finding the Fourth Proportional to 161,513.06, 222,885.76 and 89,893.10

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Solution

The fourth proportional to 161,513.06, 222,885.76 and 89,893.10 is: 124,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,513.06 : 222,885.76 = 89,893.10 : x
  2. Step 2: Convert to fraction form
    161,513.06/222,885.76 = 89,893.10/x
  3. Step 3: Cross multiply
    161,513.06x = 222,885.76 × 89,893.10
  4. Step 4: Simplify right side
    161,513.06x = 20,035,891,912.26
  5. Step 5: Solve for x
    x = 20,035,891,912.26/161,513.06
  6. Step 6: Final answer
    x = 124,051.22

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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.