Home / 134,513.48-185,584.17-86,798.54

Finding the Fourth Proportional to 134,513.48, 185,584.17 and 86,798.54

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Solution

The fourth proportional to 134,513.48, 185,584.17 and 86,798.54 is: 119,753.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,513.48 : 185,584.17 = 86,798.54 : x
  2. Step 2: Convert to fraction form
    134,513.48/185,584.17 = 86,798.54/x
  3. Step 3: Cross multiply
    134,513.48x = 185,584.17 × 86,798.54
  4. Step 4: Simplify right side
    134,513.48x = 16,108,435,003.11
  5. Step 5: Solve for x
    x = 16,108,435,003.11/134,513.48
  6. Step 6: Final answer
    x = 119,753.31

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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.