Home / 145,322.01-217,982.75-38,706.03

Finding the Fourth Proportional to 145,322.01, 217,982.75 and 38,706.03

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Solution

The fourth proportional to 145,322.01, 217,982.75 and 38,706.03 is: 58,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,322.01 : 217,982.75 = 38,706.03 : x
  2. Step 2: Convert to fraction form
    145,322.01/217,982.75 = 38,706.03/x
  3. Step 3: Cross multiply
    145,322.01x = 217,982.75 × 38,706.03
  4. Step 4: Simplify right side
    145,322.01x = 8,437,246,667.45
  5. Step 5: Solve for x
    x = 8,437,246,667.45/145,322.01
  6. Step 6: Final answer
    x = 58,058.97

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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.