Home / 180,522.36-249,144.78-108,943.32

Finding the Fourth Proportional to 180,522.36, 249,144.78 and 108,943.32

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Solution

The fourth proportional to 180,522.36, 249,144.78 and 108,943.32 is: 150,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,522.36 : 249,144.78 = 108,943.32 : x
  2. Step 2: Convert to fraction form
    180,522.36/249,144.78 = 108,943.32/x
  3. Step 3: Cross multiply
    180,522.36x = 249,144.78 × 108,943.32
  4. Step 4: Simplify right side
    180,522.36x = 27,142,659,493.87
  5. Step 5: Solve for x
    x = 27,142,659,493.87/180,522.36
  6. Step 6: Final answer
    x = 150,356.22

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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.