Home / 145,408.27-200,581.45-84,966.07

Finding the Fourth Proportional to 145,408.27, 200,581.45 and 84,966.07

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Solution

The fourth proportional to 145,408.27, 200,581.45 and 84,966.07 is: 117,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,408.27 : 200,581.45 = 84,966.07 : x
  2. Step 2: Convert to fraction form
    145,408.27/200,581.45 = 84,966.07/x
  3. Step 3: Cross multiply
    145,408.27x = 200,581.45 × 84,966.07
  4. Step 4: Simplify right side
    145,408.27x = 17,042,617,521.40
  5. Step 5: Solve for x
    x = 17,042,617,521.40/145,408.27
  6. Step 6: Final answer
    x = 117,205.28

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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.