Home / 350,715.16-484,147.98-205,500.76

Finding the Fourth Proportional to 350,715.16, 484,147.98 and 205,500.76

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Solution

The fourth proportional to 350,715.16, 484,147.98 and 205,500.76 is: 283,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,715.16 : 484,147.98 = 205,500.76 : x
  2. Step 2: Convert to fraction form
    350,715.16/484,147.98 = 205,500.76/x
  3. Step 3: Cross multiply
    350,715.16x = 484,147.98 × 205,500.76
  4. Step 4: Simplify right side
    350,715.16x = 99,492,777,842.46
  5. Step 5: Solve for x
    x = 99,492,777,842.46/350,715.16
  6. Step 6: Final answer
    x = 283,685.42

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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.