Home / 180,731.25-249,409.13-124,175.43

Finding the Fourth Proportional to 180,731.25, 249,409.13 and 124,175.43

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Solution

The fourth proportional to 180,731.25, 249,409.13 and 124,175.43 is: 171,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,731.25 : 249,409.13 = 124,175.43 : x
  2. Step 2: Convert to fraction form
    180,731.25/249,409.13 = 124,175.43/x
  3. Step 3: Cross multiply
    180,731.25x = 249,409.13 × 124,175.43
  4. Step 4: Simplify right side
    180,731.25x = 30,970,485,342.80
  5. Step 5: Solve for x
    x = 30,970,485,342.80/180,731.25
  6. Step 6: Final answer
    x = 171,362.09

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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.