Home / 142,060.20-196,114-88,362.44

Finding the Fourth Proportional to 142,060.20, 196,114 and 88,362.44

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Solution

The fourth proportional to 142,060.20, 196,114 and 88,362.44 is: 121,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,060.20 : 196,114 = 88,362.44 : x
  2. Step 2: Convert to fraction form
    142,060.20/196,114 = 88,362.44/x
  3. Step 3: Cross multiply
    142,060.20x = 196,114 × 88,362.44
  4. Step 4: Simplify right side
    142,060.20x = 17,329,111,558.16
  5. Step 5: Solve for x
    x = 17,329,111,558.16/142,060.20
  6. Step 6: Final answer
    x = 121,984.28

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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.