Home / 255,845.10-353,129.52-174,308.28

Finding the Fourth Proportional to 255,845.10, 353,129.52 and 174,308.28

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Solution

The fourth proportional to 255,845.10, 353,129.52 and 174,308.28 is: 240,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,845.10 : 353,129.52 = 174,308.28 : x
  2. Step 2: Convert to fraction form
    255,845.10/353,129.52 = 174,308.28/x
  3. Step 3: Cross multiply
    255,845.10x = 353,129.52 × 174,308.28
  4. Step 4: Simplify right side
    255,845.10x = 61,553,399,248.43
  5. Step 5: Solve for x
    x = 61,553,399,248.43/255,845.10
  6. Step 6: Final answer
    x = 240,588.54

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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.