Home / 180,743.55-249,426.10-100,183.18

Finding the Fourth Proportional to 180,743.55, 249,426.10 and 100,183.18

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Solution

The fourth proportional to 180,743.55, 249,426.10 and 100,183.18 is: 138,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,743.55 : 249,426.10 = 100,183.18 : x
  2. Step 2: Convert to fraction form
    180,743.55/249,426.10 = 100,183.18/x
  3. Step 3: Cross multiply
    180,743.55x = 249,426.10 × 100,183.18
  4. Step 4: Simplify right side
    180,743.55x = 24,988,299,873.00
  5. Step 5: Solve for x
    x = 24,988,299,873.00/180,743.55
  6. Step 6: Final answer
    x = 138,252.79

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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.