Home / 240,158.36-331,389.81-132,713.79

Finding the Fourth Proportional to 240,158.36, 331,389.81 and 132,713.79

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Solution

The fourth proportional to 240,158.36, 331,389.81 and 132,713.79 is: 183,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,158.36 : 331,389.81 = 132,713.79 : x
  2. Step 2: Convert to fraction form
    240,158.36/331,389.81 = 132,713.79/x
  3. Step 3: Cross multiply
    240,158.36x = 331,389.81 × 132,713.79
  4. Step 4: Simplify right side
    240,158.36x = 43,979,997,652.48
  5. Step 5: Solve for x
    x = 43,979,997,652.48/240,158.36
  6. Step 6: Final answer
    x = 183,129.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.