Home / 180,924.11-249,511.86-112,947.39

Finding the Fourth Proportional to 180,924.11, 249,511.86 and 112,947.39

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Solution

The fourth proportional to 180,924.11, 249,511.86 and 112,947.39 is: 155,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,924.11 : 249,511.86 = 112,947.39 : x
  2. Step 2: Convert to fraction form
    180,924.11/249,511.86 = 112,947.39/x
  3. Step 3: Cross multiply
    180,924.11x = 249,511.86 × 112,947.39
  4. Step 4: Simplify right side
    180,924.11x = 28,181,713,361.05
  5. Step 5: Solve for x
    x = 28,181,713,361.05/180,924.11
  6. Step 6: Final answer
    x = 155,765.38

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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.