Home / 135,416.04-186,873.66-75,800.04

Finding the Fourth Proportional to 135,416.04, 186,873.66 and 75,800.04

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Solution

The fourth proportional to 135,416.04, 186,873.66 and 75,800.04 is: 104,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,416.04 : 186,873.66 = 75,800.04 : x
  2. Step 2: Convert to fraction form
    135,416.04/186,873.66 = 75,800.04/x
  3. Step 3: Cross multiply
    135,416.04x = 186,873.66 × 75,800.04
  4. Step 4: Simplify right side
    135,416.04x = 14,165,030,902.95
  5. Step 5: Solve for x
    x = 14,165,030,902.95/135,416.04
  6. Step 6: Final answer
    x = 104,603.79

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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.