Home / 134,166.77-185,152.30-76,805.86

Finding the Fourth Proportional to 134,166.77, 185,152.30 and 76,805.86

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Solution

The fourth proportional to 134,166.77, 185,152.30 and 76,805.86 is: 105,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,166.77 : 185,152.30 = 76,805.86 : x
  2. Step 2: Convert to fraction form
    134,166.77/185,152.30 = 76,805.86/x
  3. Step 3: Cross multiply
    134,166.77x = 185,152.30 × 76,805.86
  4. Step 4: Simplify right side
    134,166.77x = 14,220,781,632.48
  5. Step 5: Solve for x
    x = 14,220,781,632.48/134,166.77
  6. Step 6: Final answer
    x = 105,993.32

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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.