Home / 210,394.38-315,591.60-52,622.84

Finding the Fourth Proportional to 210,394.38, 315,591.60 and 52,622.84

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Solution

The fourth proportional to 210,394.38, 315,591.60 and 52,622.84 is: 78,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,394.38 : 315,591.60 = 52,622.84 : x
  2. Step 2: Convert to fraction form
    210,394.38/315,591.60 = 52,622.84/x
  3. Step 3: Cross multiply
    210,394.38x = 315,591.60 × 52,622.84
  4. Step 4: Simplify right side
    210,394.38x = 16,607,326,272.14
  5. Step 5: Solve for x
    x = 16,607,326,272.14/210,394.38
  6. Step 6: Final answer
    x = 78,934.27

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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.