Home / 100,845.90-151,268.94-25,966.20

Finding the Fourth Proportional to 100,845.90, 151,268.94 and 25,966.20

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Solution

The fourth proportional to 100,845.90, 151,268.94 and 25,966.20 is: 38,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,845.90 : 151,268.94 = 25,966.20 : x
  2. Step 2: Convert to fraction form
    100,845.90/151,268.94 = 25,966.20/x
  3. Step 3: Cross multiply
    100,845.90x = 151,268.94 × 25,966.20
  4. Step 4: Simplify right side
    100,845.90x = 3,927,879,549.83
  5. Step 5: Solve for x
    x = 3,927,879,549.83/100,845.90
  6. Step 6: Final answer
    x = 38,949.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.