Home / 147,336.69-203,349.27-86,922.31

Finding the Fourth Proportional to 147,336.69, 203,349.27 and 86,922.31

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Solution

The fourth proportional to 147,336.69, 203,349.27 and 86,922.31 is: 119,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,336.69 : 203,349.27 = 86,922.31 : x
  2. Step 2: Convert to fraction form
    147,336.69/203,349.27 = 86,922.31/x
  3. Step 3: Cross multiply
    147,336.69x = 203,349.27 × 86,922.31
  4. Step 4: Simplify right side
    147,336.69x = 17,675,588,285.21
  5. Step 5: Solve for x
    x = 17,675,588,285.21/147,336.69
  6. Step 6: Final answer
    x = 119,967.32

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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.