Home / 137,220.04-205,801.26-38,701

Finding the Fourth Proportional to 137,220.04, 205,801.26 and 38,701

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Solution

The fourth proportional to 137,220.04, 205,801.26 and 38,701 is: 58,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,220.04 : 205,801.26 = 38,701 : x
  2. Step 2: Convert to fraction form
    137,220.04/205,801.26 = 38,701/x
  3. Step 3: Cross multiply
    137,220.04x = 205,801.26 × 38,701
  4. Step 4: Simplify right side
    137,220.04x = 7,964,714,563.26
  5. Step 5: Solve for x
    x = 7,964,714,563.26/137,220.04
  6. Step 6: Final answer
    x = 58,043.38

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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.