Home / 180,833.28-249,550.20-100,261.68

Finding the Fourth Proportional to 180,833.28, 249,550.20 and 100,261.68

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Solution

The fourth proportional to 180,833.28, 249,550.20 and 100,261.68 is: 138,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,833.28 : 249,550.20 = 100,261.68 : x
  2. Step 2: Convert to fraction form
    180,833.28/249,550.20 = 100,261.68/x
  3. Step 3: Cross multiply
    180,833.28x = 249,550.20 × 100,261.68
  4. Step 4: Simplify right side
    180,833.28x = 25,020,322,296.34
  5. Step 5: Solve for x
    x = 25,020,322,296.34/180,833.28
  6. Step 6: Final answer
    x = 138,361.27

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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.