Home / 146,063.12-201,567.24-78,995.12

Finding the Fourth Proportional to 146,063.12, 201,567.24 and 78,995.12

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Solution

The fourth proportional to 146,063.12, 201,567.24 and 78,995.12 is: 109,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,063.12 : 201,567.24 = 78,995.12 : x
  2. Step 2: Convert to fraction form
    146,063.12/201,567.24 = 78,995.12/x
  3. Step 3: Cross multiply
    146,063.12x = 201,567.24 × 78,995.12
  4. Step 4: Simplify right side
    146,063.12x = 15,922,828,311.87
  5. Step 5: Solve for x
    x = 15,922,828,311.87/146,063.12
  6. Step 6: Final answer
    x = 109,013.34

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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.