Home / 222,657.17-307,234.09-135,397.76

Finding the Fourth Proportional to 222,657.17, 307,234.09 and 135,397.76

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Solution

The fourth proportional to 222,657.17, 307,234.09 and 135,397.76 is: 186,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,657.17 : 307,234.09 = 135,397.76 : x
  2. Step 2: Convert to fraction form
    222,657.17/307,234.09 = 135,397.76/x
  3. Step 3: Cross multiply
    222,657.17x = 307,234.09 × 135,397.76
  4. Step 4: Simplify right side
    222,657.17x = 41,598,807,581.64
  5. Step 5: Solve for x
    x = 41,598,807,581.64/222,657.17
  6. Step 6: Final answer
    x = 186,828.96

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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.