Home / 180,722.67-249,403.73-109,088.70

Finding the Fourth Proportional to 180,722.67, 249,403.73 and 109,088.70

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Solution

The fourth proportional to 180,722.67, 249,403.73 and 109,088.70 is: 150,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,722.67 : 249,403.73 = 109,088.70 : x
  2. Step 2: Convert to fraction form
    180,722.67/249,403.73 = 109,088.70/x
  3. Step 3: Cross multiply
    180,722.67x = 249,403.73 × 109,088.70
  4. Step 4: Simplify right side
    180,722.67x = 27,207,128,680.85
  5. Step 5: Solve for x
    x = 27,207,128,680.85/180,722.67
  6. Step 6: Final answer
    x = 150,546.30

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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.