Home / 222,818.15-307,469.76-130,927.70

Finding the Fourth Proportional to 222,818.15, 307,469.76 and 130,927.70

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Solution

The fourth proportional to 222,818.15, 307,469.76 and 130,927.70 is: 180,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,818.15 : 307,469.76 = 130,927.70 : x
  2. Step 2: Convert to fraction form
    222,818.15/307,469.76 = 130,927.70/x
  3. Step 3: Cross multiply
    222,818.15x = 307,469.76 × 130,927.70
  4. Step 4: Simplify right side
    222,818.15x = 40,256,308,774.05
  5. Step 5: Solve for x
    x = 40,256,308,774.05/222,818.15
  6. Step 6: Final answer
    x = 180,668.89

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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.