Home / 118,853.36-164,017.70-65,140.52

Finding the Fourth Proportional to 118,853.36, 164,017.70 and 65,140.52

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Solution

The fourth proportional to 118,853.36, 164,017.70 and 65,140.52 is: 89,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,853.36 : 164,017.70 = 65,140.52 : x
  2. Step 2: Convert to fraction form
    118,853.36/164,017.70 = 65,140.52/x
  3. Step 3: Cross multiply
    118,853.36x = 164,017.70 × 65,140.52
  4. Step 4: Simplify right side
    118,853.36x = 10,684,198,267.20
  5. Step 5: Solve for x
    x = 10,684,198,267.20/118,853.36
  6. Step 6: Final answer
    x = 89,893.95

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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.