Home / 139,233.02-192,136.42-75,569.45

Finding the Fourth Proportional to 139,233.02, 192,136.42 and 75,569.45

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Solution

The fourth proportional to 139,233.02, 192,136.42 and 75,569.45 is: 104,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,233.02 : 192,136.42 = 75,569.45 : x
  2. Step 2: Convert to fraction form
    139,233.02/192,136.42 = 75,569.45/x
  3. Step 3: Cross multiply
    139,233.02x = 192,136.42 × 75,569.45
  4. Step 4: Simplify right side
    139,233.02x = 14,519,643,584.37
  5. Step 5: Solve for x
    x = 14,519,643,584.37/139,233.02
  6. Step 6: Final answer
    x = 104,283.05

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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.