Home / 249,660.40-374,511.22-81,176.90

Finding the Fourth Proportional to 249,660.40, 374,511.22 and 81,176.90

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Solution

The fourth proportional to 249,660.40, 374,511.22 and 81,176.90 is: 121,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,660.40 : 374,511.22 = 81,176.90 : x
  2. Step 2: Convert to fraction form
    249,660.40/374,511.22 = 81,176.90/x
  3. Step 3: Cross multiply
    249,660.40x = 374,511.22 × 81,176.90
  4. Step 4: Simplify right side
    249,660.40x = 30,401,659,854.82
  5. Step 5: Solve for x
    x = 30,401,659,854.82/249,660.40
  6. Step 6: Final answer
    x = 121,772.05

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1.5x scale

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.