Home / 139,557.44-192,587.28-75,895.76

Finding the Fourth Proportional to 139,557.44, 192,587.28 and 75,895.76

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Solution

The fourth proportional to 139,557.44, 192,587.28 and 75,895.76 is: 104,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,557.44 : 192,587.28 = 75,895.76 : x
  2. Step 2: Convert to fraction form
    139,557.44/192,587.28 = 75,895.76/x
  3. Step 3: Cross multiply
    139,557.44x = 192,587.28 × 75,895.76
  4. Step 4: Simplify right side
    139,557.44x = 14,616,557,981.93
  5. Step 5: Solve for x
    x = 14,616,557,981.93/139,557.44
  6. Step 6: Final answer
    x = 104,735.07

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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.