Home / 118,552.48-163,661.92-91,634.16

Finding the Fourth Proportional to 118,552.48, 163,661.92 and 91,634.16

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Solution

The fourth proportional to 118,552.48, 163,661.92 and 91,634.16 is: 126,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,552.48 : 163,661.92 = 91,634.16 : x
  2. Step 2: Convert to fraction form
    118,552.48/163,661.92 = 91,634.16/x
  3. Step 3: Cross multiply
    118,552.48x = 163,661.92 × 91,634.16
  4. Step 4: Simplify right side
    118,552.48x = 14,997,022,563.19
  5. Step 5: Solve for x
    x = 14,997,022,563.19/118,552.48
  6. Step 6: Final answer
    x = 126,501.13

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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.