Home / 180,621.10-249,266.13-108,999.94

Finding the Fourth Proportional to 180,621.10, 249,266.13 and 108,999.94

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Solution

The fourth proportional to 180,621.10, 249,266.13 and 108,999.94 is: 150,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,621.10 : 249,266.13 = 108,999.94 : x
  2. Step 2: Convert to fraction form
    180,621.10/249,266.13 = 108,999.94/x
  3. Step 3: Cross multiply
    180,621.10x = 249,266.13 × 108,999.94
  4. Step 4: Simplify right side
    180,621.10x = 27,169,993,214.03
  5. Step 5: Solve for x
    x = 27,169,993,214.03/180,621.10
  6. Step 6: Final answer
    x = 150,425.36

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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.