Home / 145,408.77-200,582.15-84,966.57

Finding the Fourth Proportional to 145,408.77, 200,582.15 and 84,966.57

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Solution

The fourth proportional to 145,408.77, 200,582.15 and 84,966.57 is: 117,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,408.77 : 200,582.15 = 84,966.57 : x
  2. Step 2: Convert to fraction form
    145,408.77/200,582.15 = 84,966.57/x
  3. Step 3: Cross multiply
    145,408.77x = 200,582.15 × 84,966.57
  4. Step 4: Simplify right side
    145,408.77x = 17,042,776,863.89
  5. Step 5: Solve for x
    x = 17,042,776,863.89/145,408.77
  6. Step 6: Final answer
    x = 117,205.98

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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.