Home / 142,228.17-196,266.74-84,932.14

Finding the Fourth Proportional to 142,228.17, 196,266.74 and 84,932.14

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Solution

The fourth proportional to 142,228.17, 196,266.74 and 84,932.14 is: 117,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,228.17 : 196,266.74 = 84,932.14 : x
  2. Step 2: Convert to fraction form
    142,228.17/196,266.74 = 84,932.14/x
  3. Step 3: Cross multiply
    142,228.17x = 196,266.74 × 84,932.14
  4. Step 4: Simplify right side
    142,228.17x = 16,669,354,239.02
  5. Step 5: Solve for x
    x = 16,669,354,239.02/142,228.17
  6. Step 6: Final answer
    x = 117,201.50

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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.