Home / 134,161.17-185,102.00-80,426.58

Finding the Fourth Proportional to 134,161.17, 185,102.00 and 80,426.58

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Solution

The fourth proportional to 134,161.17, 185,102.00 and 80,426.58 is: 110,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,161.17 : 185,102.00 = 80,426.58 : x
  2. Step 2: Convert to fraction form
    134,161.17/185,102.00 = 80,426.58/x
  3. Step 3: Cross multiply
    134,161.17x = 185,102.00 × 80,426.58
  4. Step 4: Simplify right side
    134,161.17x = 14,887,119,483.52
  5. Step 5: Solve for x
    x = 14,887,119,483.52/134,161.17
  6. Step 6: Final answer
    x = 110,964.45

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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.