Home / 137,168.04-205,539.30-95,130.12

Finding the Fourth Proportional to 137,168.04, 205,539.30 and 95,130.12

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Solution

The fourth proportional to 137,168.04, 205,539.30 and 95,130.12 is: 142,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,168.04 : 205,539.30 = 95,130.12 : x
  2. Step 2: Convert to fraction form
    137,168.04/205,539.30 = 95,130.12/x
  3. Step 3: Cross multiply
    137,168.04x = 205,539.30 × 95,130.12
  4. Step 4: Simplify right side
    137,168.04x = 19,552,978,273.72
  5. Step 5: Solve for x
    x = 19,552,978,273.72/137,168.04
  6. Step 6: Final answer
    x = 142,547.62

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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.