Home / 180,519.36-249,140.64-108,940.32

Finding the Fourth Proportional to 180,519.36, 249,140.64 and 108,940.32

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Solution

The fourth proportional to 180,519.36, 249,140.64 and 108,940.32 is: 150,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,519.36 : 249,140.64 = 108,940.32 : x
  2. Step 2: Convert to fraction form
    180,519.36/249,140.64 = 108,940.32/x
  3. Step 3: Cross multiply
    180,519.36x = 249,140.64 × 108,940.32
  4. Step 4: Simplify right side
    180,519.36x = 27,141,461,046.60
  5. Step 5: Solve for x
    x = 27,141,461,046.60/180,519.36
  6. Step 6: Final answer
    x = 150,352.08

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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.