Home / 106,412.60-159,618.90-104,857.40

Finding the Fourth Proportional to 106,412.60, 159,618.90 and 104,857.40

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Solution

The fourth proportional to 106,412.60, 159,618.90 and 104,857.40 is: 157,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,412.60 : 159,618.90 = 104,857.40 : x
  2. Step 2: Convert to fraction form
    106,412.60/159,618.90 = 104,857.40/x
  3. Step 3: Cross multiply
    106,412.60x = 159,618.90 × 104,857.40
  4. Step 4: Simplify right side
    106,412.60x = 16,737,222,844.86
  5. Step 5: Solve for x
    x = 16,737,222,844.86/106,412.60
  6. Step 6: Final answer
    x = 157,286.10

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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.