Home / 115,353.49-159,188.25-64,368.37

Finding the Fourth Proportional to 115,353.49, 159,188.25 and 64,368.37

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Solution

The fourth proportional to 115,353.49, 159,188.25 and 64,368.37 is: 88,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,353.49 : 159,188.25 = 64,368.37 : x
  2. Step 2: Convert to fraction form
    115,353.49/159,188.25 = 64,368.37/x
  3. Step 3: Cross multiply
    115,353.49x = 159,188.25 × 64,368.37
  4. Step 4: Simplify right side
    115,353.49x = 10,246,688,175.65
  5. Step 5: Solve for x
    x = 10,246,688,175.65/115,353.49
  6. Step 6: Final answer
    x = 88,828.59

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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.