Home / 456,730.55-685,161.47-141,212.06

Finding the Fourth Proportional to 456,730.55, 685,161.47 and 141,212.06

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Solution

The fourth proportional to 456,730.55, 685,161.47 and 141,212.06 is: 211,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,730.55 : 685,161.47 = 141,212.06 : x
  2. Step 2: Convert to fraction form
    456,730.55/685,161.47 = 141,212.06/x
  3. Step 3: Cross multiply
    456,730.55x = 685,161.47 × 141,212.06
  4. Step 4: Simplify right side
    456,730.55x = 96,753,064,677.26
  5. Step 5: Solve for x
    x = 96,753,064,677.26/456,730.55
  6. Step 6: Final answer
    x = 211,838.39

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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.