Home / 161,119.32-222,344.55-89,506.01

Finding the Fourth Proportional to 161,119.32, 222,344.55 and 89,506.01

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Solution

The fourth proportional to 161,119.32, 222,344.55 and 89,506.01 is: 123,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,119.32 : 222,344.55 = 89,506.01 : x
  2. Step 2: Convert to fraction form
    161,119.32/222,344.55 = 89,506.01/x
  3. Step 3: Cross multiply
    161,119.32x = 222,344.55 × 89,506.01
  4. Step 4: Simplify right side
    161,119.32x = 19,901,172,404.02
  5. Step 5: Solve for x
    x = 19,901,172,404.02/161,119.32
  6. Step 6: Final answer
    x = 123,518.22

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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.