Home / 180,724.67-249,406.49-109,090.70

Finding the Fourth Proportional to 180,724.67, 249,406.49 and 109,090.70

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Solution

The fourth proportional to 180,724.67, 249,406.49 and 109,090.70 is: 150,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,724.67 : 249,406.49 = 109,090.70 : x
  2. Step 2: Convert to fraction form
    180,724.67/249,406.49 = 109,090.70/x
  3. Step 3: Cross multiply
    180,724.67x = 249,406.49 × 109,090.70
  4. Step 4: Simplify right side
    180,724.67x = 27,207,928,578.64
  5. Step 5: Solve for x
    x = 27,207,928,578.64/180,724.67
  6. Step 6: Final answer
    x = 150,549.06

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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.