Home / 161,061.06-222,274.55-89,441.07

Finding the Fourth Proportional to 161,061.06, 222,274.55 and 89,441.07

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Solution

The fourth proportional to 161,061.06, 222,274.55 and 89,441.07 is: 123,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,061.06 : 222,274.55 = 89,441.07 : x
  2. Step 2: Convert to fraction form
    161,061.06/222,274.55 = 89,441.07/x
  3. Step 3: Cross multiply
    161,061.06x = 222,274.55 × 89,441.07
  4. Step 4: Simplify right side
    161,061.06x = 19,880,473,138.56
  5. Step 5: Solve for x
    x = 19,880,473,138.56/161,061.06
  6. Step 6: Final answer
    x = 123,434.39

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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.