Home / 164,690.10-227,272.14-89,238.60

Finding the Fourth Proportional to 164,690.10, 227,272.14 and 89,238.60

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Solution

The fourth proportional to 164,690.10, 227,272.14 and 89,238.60 is: 123,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,690.10 : 227,272.14 = 89,238.60 : x
  2. Step 2: Convert to fraction form
    164,690.10/227,272.14 = 89,238.60/x
  3. Step 3: Cross multiply
    164,690.10x = 227,272.14 × 89,238.60
  4. Step 4: Simplify right side
    164,690.10x = 20,281,447,592.60
  5. Step 5: Solve for x
    x = 20,281,447,592.60/164,690.10
  6. Step 6: Final answer
    x = 123,149.16

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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.