Home / 139,626.74-192,801.24-129,496.16

Finding the Fourth Proportional to 139,626.74, 192,801.24 and 129,496.16

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Solution

The fourth proportional to 139,626.74, 192,801.24 and 129,496.16 is: 178,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,626.74 : 192,801.24 = 129,496.16 : x
  2. Step 2: Convert to fraction form
    139,626.74/192,801.24 = 129,496.16/x
  3. Step 3: Cross multiply
    139,626.74x = 192,801.24 × 129,496.16
  4. Step 4: Simplify right side
    139,626.74x = 24,967,020,223.24
  5. Step 5: Solve for x
    x = 24,967,020,223.24/139,626.74
  6. Step 6: Final answer
    x = 178,812.60

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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.