Home / 118,476.16-163,496.70-64,761.22

Finding the Fourth Proportional to 118,476.16, 163,496.70 and 64,761.22

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Solution

The fourth proportional to 118,476.16, 163,496.70 and 64,761.22 is: 89,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,476.16 : 163,496.70 = 64,761.22 : x
  2. Step 2: Convert to fraction form
    118,476.16/163,496.70 = 64,761.22/x
  3. Step 3: Cross multiply
    118,476.16x = 163,496.70 × 64,761.22
  4. Step 4: Simplify right side
    118,476.16x = 10,588,245,757.97
  5. Step 5: Solve for x
    x = 10,588,245,757.97/118,476.16
  6. Step 6: Final answer
    x = 89,370.26

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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.