Home / 140,465.15-193,894.62-92,070.20

Finding the Fourth Proportional to 140,465.15, 193,894.62 and 92,070.20

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Solution

The fourth proportional to 140,465.15, 193,894.62 and 92,070.20 is: 127,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,465.15 : 193,894.62 = 92,070.20 : x
  2. Step 2: Convert to fraction form
    140,465.15/193,894.62 = 92,070.20/x
  3. Step 3: Cross multiply
    140,465.15x = 193,894.62 × 92,070.20
  4. Step 4: Simplify right side
    140,465.15x = 17,851,915,472.85
  5. Step 5: Solve for x
    x = 17,851,915,472.85/140,465.15
  6. Step 6: Final answer
    x = 127,091.42

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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.