Home / 376,039.20-518,901.12-214,862.08

Finding the Fourth Proportional to 376,039.20, 518,901.12 and 214,862.08

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Solution

The fourth proportional to 376,039.20, 518,901.12 and 214,862.08 is: 296,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,039.20 : 518,901.12 = 214,862.08 : x
  2. Step 2: Convert to fraction form
    376,039.20/518,901.12 = 214,862.08/x
  3. Step 3: Cross multiply
    376,039.20x = 518,901.12 × 214,862.08
  4. Step 4: Simplify right side
    376,039.20x = 111,492,173,957.53
  5. Step 5: Solve for x
    x = 111,492,173,957.53/376,039.20
  6. Step 6: Final answer
    x = 296,490.83

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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.