Home / 134,612.20-201,845.40-55,734.40

Finding the Fourth Proportional to 134,612.20, 201,845.40 and 55,734.40

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Solution

The fourth proportional to 134,612.20, 201,845.40 and 55,734.40 is: 83,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,612.20 : 201,845.40 = 55,734.40 : x
  2. Step 2: Convert to fraction form
    134,612.20/201,845.40 = 55,734.40/x
  3. Step 3: Cross multiply
    134,612.20x = 201,845.40 × 55,734.40
  4. Step 4: Simplify right side
    134,612.20x = 11,249,732,261.76
  5. Step 5: Solve for x
    x = 11,249,732,261.76/134,612.20
  6. Step 6: Final answer
    x = 83,571.42

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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.