Home / 118,305.36-163,265.25-64,594.46

Finding the Fourth Proportional to 118,305.36, 163,265.25 and 64,594.46

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Solution

The fourth proportional to 118,305.36, 163,265.25 and 64,594.46 is: 89,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,305.36 : 163,265.25 = 64,594.46 : x
  2. Step 2: Convert to fraction form
    118,305.36/163,265.25 = 64,594.46/x
  3. Step 3: Cross multiply
    118,305.36x = 163,265.25 × 64,594.46
  4. Step 4: Simplify right side
    118,305.36x = 10,546,029,844.19
  5. Step 5: Solve for x
    x = 10,546,029,844.19/118,305.36
  6. Step 6: Final answer
    x = 89,142.46

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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.