Home / 234,051.20-351,076.80-208,246.40

Finding the Fourth Proportional to 234,051.20, 351,076.80 and 208,246.40

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Solution

The fourth proportional to 234,051.20, 351,076.80 and 208,246.40 is: 312,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,051.20 : 351,076.80 = 208,246.40 : x
  2. Step 2: Convert to fraction form
    234,051.20/351,076.80 = 208,246.40/x
  3. Step 3: Cross multiply
    234,051.20x = 351,076.80 × 208,246.40
  4. Step 4: Simplify right side
    234,051.20x = 73,110,479,723.52
  5. Step 5: Solve for x
    x = 73,110,479,723.52/234,051.20
  6. Step 6: Final answer
    x = 312,369.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.