Home / 370,197.48-510,882.98-209,076.76

Finding the Fourth Proportional to 370,197.48, 510,882.98 and 209,076.76

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Solution

The fourth proportional to 370,197.48, 510,882.98 and 209,076.76 is: 288,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,197.48 : 510,882.98 = 209,076.76 : x
  2. Step 2: Convert to fraction form
    370,197.48/510,882.98 = 209,076.76/x
  3. Step 3: Cross multiply
    370,197.48x = 510,882.98 × 209,076.76
  4. Step 4: Simplify right side
    370,197.48x = 106,813,758,197.55
  5. Step 5: Solve for x
    x = 106,813,758,197.55/370,197.48
  6. Step 6: Final answer
    x = 288,531.83

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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.