Home / 249,113.87-373,730.12-80,634.23

Finding the Fourth Proportional to 249,113.87, 373,730.12 and 80,634.23

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Solution

The fourth proportional to 249,113.87, 373,730.12 and 80,634.23 is: 120,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,113.87 : 373,730.12 = 80,634.23 : x
  2. Step 2: Convert to fraction form
    249,113.87/373,730.12 = 80,634.23/x
  3. Step 3: Cross multiply
    249,113.87x = 373,730.12 × 80,634.23
  4. Step 4: Simplify right side
    249,113.87x = 30,135,438,786.94
  5. Step 5: Solve for x
    x = 30,135,438,786.94/249,113.87
  6. Step 6: Final answer
    x = 120,970.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.