Home / 465,186.60-697,828.16-128,227.31

Finding the Fourth Proportional to 465,186.60, 697,828.16 and 128,227.31

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Solution

The fourth proportional to 465,186.60, 697,828.16 and 128,227.31 is: 192,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,186.60 : 697,828.16 = 128,227.31 : x
  2. Step 2: Convert to fraction form
    465,186.60/697,828.16 = 128,227.31/x
  3. Step 3: Cross multiply
    465,186.60x = 697,828.16 × 128,227.31
  4. Step 4: Simplify right side
    465,186.60x = 89,480,623,668.77
  5. Step 5: Solve for x
    x = 89,480,623,668.77/465,186.60
  6. Step 6: Final answer
    x = 192,354.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.