Home / 180,025.65-269,784.95-137,742.03

Finding the Fourth Proportional to 180,025.65, 269,784.95 and 137,742.03

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Solution

The fourth proportional to 180,025.65, 269,784.95 and 137,742.03 is: 206,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,025.65 : 269,784.95 = 137,742.03 : x
  2. Step 2: Convert to fraction form
    180,025.65/269,784.95 = 137,742.03/x
  3. Step 3: Cross multiply
    180,025.65x = 269,784.95 × 137,742.03
  4. Step 4: Simplify right side
    180,025.65x = 37,160,725,987.74
  5. Step 5: Solve for x
    x = 37,160,725,987.74/180,025.65
  6. Step 6: Final answer
    x = 206,419.06

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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.