Home / 134,285.12-201,439.20-64,220.48

Finding the Fourth Proportional to 134,285.12, 201,439.20 and 64,220.48

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Solution

The fourth proportional to 134,285.12, 201,439.20 and 64,220.48 is: 96,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,285.12 : 201,439.20 = 64,220.48 : x
  2. Step 2: Convert to fraction form
    134,285.12/201,439.20 = 64,220.48/x
  3. Step 3: Cross multiply
    134,285.12x = 201,439.20 × 64,220.48
  4. Step 4: Simplify right side
    134,285.12x = 12,936,522,114.82
  5. Step 5: Solve for x
    x = 12,936,522,114.82/134,285.12
  6. Step 6: Final answer
    x = 96,336.23

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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.