Home / 134,664.90-185,957.16-83,764.86

Finding the Fourth Proportional to 134,664.90, 185,957.16 and 83,764.86

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Solution

The fourth proportional to 134,664.90, 185,957.16 and 83,764.86 is: 115,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,664.90 : 185,957.16 = 83,764.86 : x
  2. Step 2: Convert to fraction form
    134,664.90/185,957.16 = 83,764.86/x
  3. Step 3: Cross multiply
    134,664.90x = 185,957.16 × 83,764.86
  4. Step 4: Simplify right side
    134,664.90x = 15,576,675,473.40
  5. Step 5: Solve for x
    x = 15,576,675,473.40/134,664.90
  6. Step 6: Final answer
    x = 115,669.90

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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.