Home / 180,622.19-249,234.99-104,144.15

Finding the Fourth Proportional to 180,622.19, 249,234.99 and 104,144.15

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Solution

The fourth proportional to 180,622.19, 249,234.99 and 104,144.15 is: 143,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,622.19 : 249,234.99 = 104,144.15 : x
  2. Step 2: Convert to fraction form
    180,622.19/249,234.99 = 104,144.15/x
  3. Step 3: Cross multiply
    180,622.19x = 249,234.99 × 104,144.15
  4. Step 4: Simplify right side
    180,622.19x = 25,956,366,183.81
  5. Step 5: Solve for x
    x = 25,956,366,183.81/180,622.19
  6. Step 6: Final answer
    x = 143,705.30

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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.