Home / 201,687.50-302,567.28-68,560.76

Finding the Fourth Proportional to 201,687.50, 302,567.28 and 68,560.76

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Solution

The fourth proportional to 201,687.50, 302,567.28 and 68,560.76 is: 102,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,687.50 : 302,567.28 = 68,560.76 : x
  2. Step 2: Convert to fraction form
    201,687.50/302,567.28 = 68,560.76/x
  3. Step 3: Cross multiply
    201,687.50x = 302,567.28 × 68,560.76
  4. Step 4: Simplify right side
    201,687.50x = 20,744,242,667.93
  5. Step 5: Solve for x
    x = 20,744,242,667.93/201,687.50
  6. Step 6: Final answer
    x = 102,853.39

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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.