Home / 249,727.80-374,591.70-72,240.60

Finding the Fourth Proportional to 249,727.80, 374,591.70 and 72,240.60

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Solution

The fourth proportional to 249,727.80, 374,591.70 and 72,240.60 is: 108,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,727.80 : 374,591.70 = 72,240.60 : x
  2. Step 2: Convert to fraction form
    249,727.80/374,591.70 = 72,240.60/x
  3. Step 3: Cross multiply
    249,727.80x = 374,591.70 × 72,240.60
  4. Step 4: Simplify right side
    249,727.80x = 27,060,729,163.02
  5. Step 5: Solve for x
    x = 27,060,729,163.02/249,727.80
  6. Step 6: Final answer
    x = 108,360.90

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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.