Home / 140,068.52-193,319.62-83,483.48

Finding the Fourth Proportional to 140,068.52, 193,319.62 and 83,483.48

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Solution

The fourth proportional to 140,068.52, 193,319.62 and 83,483.48 is: 115,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,068.52 : 193,319.62 = 83,483.48 : x
  2. Step 2: Convert to fraction form
    140,068.52/193,319.62 = 83,483.48/x
  3. Step 3: Cross multiply
    140,068.52x = 193,319.62 × 83,483.48
  4. Step 4: Simplify right side
    140,068.52x = 16,138,994,629.88
  5. Step 5: Solve for x
    x = 16,138,994,629.88/140,068.52
  6. Step 6: Final answer
    x = 115,222.14

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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.