Home / 190,280.90-262,281.60-129,007.23

Finding the Fourth Proportional to 190,280.90, 262,281.60 and 129,007.23

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Solution

The fourth proportional to 190,280.90, 262,281.60 and 129,007.23 is: 177,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,280.90 : 262,281.60 = 129,007.23 : x
  2. Step 2: Convert to fraction form
    190,280.90/262,281.60 = 129,007.23/x
  3. Step 3: Cross multiply
    190,280.90x = 262,281.60 × 129,007.23
  4. Step 4: Simplify right side
    190,280.90x = 33,836,222,695.97
  5. Step 5: Solve for x
    x = 33,836,222,695.97/190,280.90
  6. Step 6: Final answer
    x = 177,822.49

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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.