Home / 161,002.35-222,173.28-89,378.10

Finding the Fourth Proportional to 161,002.35, 222,173.28 and 89,378.10

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Solution

The fourth proportional to 161,002.35, 222,173.28 and 89,378.10 is: 123,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,002.35 : 222,173.28 = 89,378.10 : x
  2. Step 2: Convert to fraction form
    161,002.35/222,173.28 = 89,378.10/x
  3. Step 3: Cross multiply
    161,002.35x = 222,173.28 × 89,378.10
  4. Step 4: Simplify right side
    161,002.35x = 19,857,425,637.17
  5. Step 5: Solve for x
    x = 19,857,425,637.17/161,002.35
  6. Step 6: Final answer
    x = 123,336.25

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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.