Home / 145,240.39-217,871.45-40,058.38

Finding the Fourth Proportional to 145,240.39, 217,871.45 and 40,058.38

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Solution

The fourth proportional to 145,240.39, 217,871.45 and 40,058.38 is: 60,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,240.39 : 217,871.45 = 40,058.38 : x
  2. Step 2: Convert to fraction form
    145,240.39/217,871.45 = 40,058.38/x
  3. Step 3: Cross multiply
    145,240.39x = 217,871.45 × 40,058.38
  4. Step 4: Simplify right side
    145,240.39x = 8,727,576,045.60
  5. Step 5: Solve for x
    x = 8,727,576,045.60/145,240.39
  6. Step 6: Final answer
    x = 60,090.56

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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.