Home / 131,968.40-197,693.40-122,637.20

Finding the Fourth Proportional to 131,968.40, 197,693.40 and 122,637.20

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Solution

The fourth proportional to 131,968.40, 197,693.40 and 122,637.20 is: 183,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,968.40 : 197,693.40 = 122,637.20 : x
  2. Step 2: Convert to fraction form
    131,968.40/197,693.40 = 122,637.20/x
  3. Step 3: Cross multiply
    131,968.40x = 197,693.40 × 122,637.20
  4. Step 4: Simplify right side
    131,968.40x = 24,244,565,034.48
  5. Step 5: Solve for x
    x = 24,244,565,034.48/131,968.40
  6. Step 6: Final answer
    x = 183,714.93

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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.