Home / 118,264.56-163,203.96-64,549.92

Finding the Fourth Proportional to 118,264.56, 163,203.96 and 64,549.92

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Solution

The fourth proportional to 118,264.56, 163,203.96 and 64,549.92 is: 89,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,264.56 : 163,203.96 = 64,549.92 : x
  2. Step 2: Convert to fraction form
    118,264.56/163,203.96 = 64,549.92/x
  3. Step 3: Cross multiply
    118,264.56x = 163,203.96 × 64,549.92
  4. Step 4: Simplify right side
    118,264.56x = 10,534,802,561.68
  5. Step 5: Solve for x
    x = 10,534,802,561.68/118,264.56
  6. Step 6: Final answer
    x = 89,078.27

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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.