Home / 137,148.04-205,540.98-73,812.52

Finding the Fourth Proportional to 137,148.04, 205,540.98 and 73,812.52

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Solution

The fourth proportional to 137,148.04, 205,540.98 and 73,812.52 is: 110,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,148.04 : 205,540.98 = 73,812.52 : x
  2. Step 2: Convert to fraction form
    137,148.04/205,540.98 = 73,812.52/x
  3. Step 3: Cross multiply
    137,148.04x = 205,540.98 × 73,812.52
  4. Step 4: Simplify right side
    137,148.04x = 15,171,497,697.07
  5. Step 5: Solve for x
    x = 15,171,497,697.07/137,148.04
  6. Step 6: Final answer
    x = 110,621.32

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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.