Home / 146,063.75-201,567.98-78,995.75

Finding the Fourth Proportional to 146,063.75, 201,567.98 and 78,995.75

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Solution

The fourth proportional to 146,063.75, 201,567.98 and 78,995.75 is: 109,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,063.75 : 201,567.98 = 78,995.75 : x
  2. Step 2: Convert to fraction form
    146,063.75/201,567.98 = 78,995.75/x
  3. Step 3: Cross multiply
    146,063.75x = 201,567.98 × 78,995.75
  4. Step 4: Simplify right side
    146,063.75x = 15,923,013,361.11
  5. Step 5: Solve for x
    x = 15,923,013,361.11/146,063.75
  6. Step 6: Final answer
    x = 109,014.14

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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.