Home / 351,300.12-484,803.57-213,432.12

Finding the Fourth Proportional to 351,300.12, 484,803.57 and 213,432.12

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Solution

The fourth proportional to 351,300.12, 484,803.57 and 213,432.12 is: 294,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,300.12 : 484,803.57 = 213,432.12 : x
  2. Step 2: Convert to fraction form
    351,300.12/484,803.57 = 213,432.12/x
  3. Step 3: Cross multiply
    351,300.12x = 484,803.57 × 213,432.12
  4. Step 4: Simplify right side
    351,300.12x = 103,472,653,728.67
  5. Step 5: Solve for x
    x = 103,472,653,728.67/351,300.12
  6. Step 6: Final answer
    x = 294,542.04

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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.