Home / 212,437.94-293,164.34-115,642.17

Finding the Fourth Proportional to 212,437.94, 293,164.34 and 115,642.17

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Solution

The fourth proportional to 212,437.94, 293,164.34 and 115,642.17 is: 159,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,437.94 : 293,164.34 = 115,642.17 : x
  2. Step 2: Convert to fraction form
    212,437.94/293,164.34 = 115,642.17/x
  3. Step 3: Cross multiply
    212,437.94x = 293,164.34 × 115,642.17
  4. Step 4: Simplify right side
    212,437.94x = 33,902,159,866.01
  5. Step 5: Solve for x
    x = 33,902,159,866.01/212,437.94
  6. Step 6: Final answer
    x = 159,586.19

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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.