Home / 190,214.12-285,311.39-63,855.34

Finding the Fourth Proportional to 190,214.12, 285,311.39 and 63,855.34

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Solution

The fourth proportional to 190,214.12, 285,311.39 and 63,855.34 is: 95,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,214.12 : 285,311.39 = 63,855.34 : x
  2. Step 2: Convert to fraction form
    190,214.12/285,311.39 = 63,855.34/x
  3. Step 3: Cross multiply
    190,214.12x = 285,311.39 × 63,855.34
  4. Step 4: Simplify right side
    190,214.12x = 18,218,654,781.77
  5. Step 5: Solve for x
    x = 18,218,654,781.77/190,214.12
  6. Step 6: Final answer
    x = 95,779.72

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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.