Home / 139,510.08-192,199.68-96,448.32

Finding the Fourth Proportional to 139,510.08, 192,199.68 and 96,448.32

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Solution

The fourth proportional to 139,510.08, 192,199.68 and 96,448.32 is: 132,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,510.08 : 192,199.68 = 96,448.32 : x
  2. Step 2: Convert to fraction form
    139,510.08/192,199.68 = 96,448.32/x
  3. Step 3: Cross multiply
    139,510.08x = 192,199.68 × 96,448.32
  4. Step 4: Simplify right side
    139,510.08x = 18,537,336,240.54
  5. Step 5: Solve for x
    x = 18,537,336,240.54/139,510.08
  6. Step 6: Final answer
    x = 132,874.53

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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.