Home / 161,105.64-222,325.85-89,492.34

Finding the Fourth Proportional to 161,105.64, 222,325.85 and 89,492.34

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Solution

The fourth proportional to 161,105.64, 222,325.85 and 89,492.34 is: 123,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,105.64 : 222,325.85 = 89,492.34 : x
  2. Step 2: Convert to fraction form
    161,105.64/222,325.85 = 89,492.34/x
  3. Step 3: Cross multiply
    161,105.64x = 222,325.85 × 89,492.34
  4. Step 4: Simplify right side
    161,105.64x = 19,896,460,558.99
  5. Step 5: Solve for x
    x = 19,896,460,558.99/161,105.64
  6. Step 6: Final answer
    x = 123,499.47

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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.