Home / 139,557.14-192,587.04-75,893.57

Finding the Fourth Proportional to 139,557.14, 192,587.04 and 75,893.57

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Solution

The fourth proportional to 139,557.14, 192,587.04 and 75,893.57 is: 104,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,557.14 : 192,587.04 = 75,893.57 : x
  2. Step 2: Convert to fraction form
    139,557.14/192,587.04 = 75,893.57/x
  3. Step 3: Cross multiply
    139,557.14x = 192,587.04 × 75,893.57
  4. Step 4: Simplify right side
    139,557.14x = 14,616,118,001.33
  5. Step 5: Solve for x
    x = 14,616,118,001.33/139,557.14
  6. Step 6: Final answer
    x = 104,732.14

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1.5x scale

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.