Home / 154,172.96-231,119.10-59,342.60

Finding the Fourth Proportional to 154,172.96, 231,119.10 and 59,342.60

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Solution

The fourth proportional to 154,172.96, 231,119.10 and 59,342.60 is: 88,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,172.96 : 231,119.10 = 59,342.60 : x
  2. Step 2: Convert to fraction form
    154,172.96/231,119.10 = 59,342.60/x
  3. Step 3: Cross multiply
    154,172.96x = 231,119.10 × 59,342.60
  4. Step 4: Simplify right side
    154,172.96x = 13,715,208,303.66
  5. Step 5: Solve for x
    x = 13,715,208,303.66/154,172.96
  6. Step 6: Final answer
    x = 88,959.88

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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.