Home / 134,261.20-201,547.40-72,053.20

Finding the Fourth Proportional to 134,261.20, 201,547.40 and 72,053.20

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Solution

The fourth proportional to 134,261.20, 201,547.40 and 72,053.20 is: 108,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,261.20 : 201,547.40 = 72,053.20 : x
  2. Step 2: Convert to fraction form
    134,261.20/201,547.40 = 72,053.20/x
  3. Step 3: Cross multiply
    134,261.20x = 201,547.40 × 72,053.20
  4. Step 4: Simplify right side
    134,261.20x = 14,522,135,121.68
  5. Step 5: Solve for x
    x = 14,522,135,121.68/134,261.20
  6. Step 6: Final answer
    x = 108,163.30

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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.