Home / 124,344.18-186,571.35-65,165.72

Finding the Fourth Proportional to 124,344.18, 186,571.35 and 65,165.72

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Solution

The fourth proportional to 124,344.18, 186,571.35 and 65,165.72 is: 97,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,344.18 : 186,571.35 = 65,165.72 : x
  2. Step 2: Convert to fraction form
    124,344.18/186,571.35 = 65,165.72/x
  3. Step 3: Cross multiply
    124,344.18x = 186,571.35 × 65,165.72
  4. Step 4: Simplify right side
    124,344.18x = 12,158,055,421.27
  5. Step 5: Solve for x
    x = 12,158,055,421.27/124,344.18
  6. Step 6: Final answer
    x = 97,777.44

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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.