Home / 261,390.42-360,921.96-200,865.60

Finding the Fourth Proportional to 261,390.42, 360,921.96 and 200,865.60

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Solution

The fourth proportional to 261,390.42, 360,921.96 and 200,865.60 is: 277,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,390.42 : 360,921.96 = 200,865.60 : x
  2. Step 2: Convert to fraction form
    261,390.42/360,921.96 = 200,865.60/x
  3. Step 3: Cross multiply
    261,390.42x = 360,921.96 × 200,865.60
  4. Step 4: Simplify right side
    261,390.42x = 72,496,806,048.58
  5. Step 5: Solve for x
    x = 72,496,806,048.58/261,390.42
  6. Step 6: Final answer
    x = 277,350.66

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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.