Home / 185,128.03-255,495.54-133,487.61

Finding the Fourth Proportional to 185,128.03, 255,495.54 and 133,487.61

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Solution

The fourth proportional to 185,128.03, 255,495.54 and 133,487.61 is: 184,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,128.03 : 255,495.54 = 133,487.61 : x
  2. Step 2: Convert to fraction form
    185,128.03/255,495.54 = 133,487.61/x
  3. Step 3: Cross multiply
    185,128.03x = 255,495.54 × 133,487.61
  4. Step 4: Simplify right side
    185,128.03x = 34,105,489,000.26
  5. Step 5: Solve for x
    x = 34,105,489,000.26/185,128.03
  6. Step 6: Final answer
    x = 184,226.50

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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.