Home / 249,519.20-374,280.43-99,772.07

Finding the Fourth Proportional to 249,519.20, 374,280.43 and 99,772.07

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Solution

The fourth proportional to 249,519.20, 374,280.43 and 99,772.07 is: 149,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,519.20 : 374,280.43 = 99,772.07 : x
  2. Step 2: Convert to fraction form
    249,519.20/374,280.43 = 99,772.07/x
  3. Step 3: Cross multiply
    249,519.20x = 374,280.43 × 99,772.07
  4. Step 4: Simplify right side
    249,519.20x = 37,342,733,698.43
  5. Step 5: Solve for x
    x = 37,342,733,698.43/249,519.20
  6. Step 6: Final answer
    x = 149,658.76

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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.