Home / 134,621.40-201,915.90-55,727.40

Finding the Fourth Proportional to 134,621.40, 201,915.90 and 55,727.40

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Solution

The fourth proportional to 134,621.40, 201,915.90 and 55,727.40 is: 83,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,621.40 : 201,915.90 = 55,727.40 : x
  2. Step 2: Convert to fraction form
    134,621.40/201,915.90 = 55,727.40/x
  3. Step 3: Cross multiply
    134,621.40x = 201,915.90 × 55,727.40
  4. Step 4: Simplify right side
    134,621.40x = 11,252,248,125.66
  5. Step 5: Solve for x
    x = 11,252,248,125.66/134,621.40
  6. Step 6: Final answer
    x = 83,584.39

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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.