Home / 124,181.47-171,365.67-70,463.28

Finding the Fourth Proportional to 124,181.47, 171,365.67 and 70,463.28

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Solution

The fourth proportional to 124,181.47, 171,365.67 and 70,463.28 is: 97,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,181.47 : 171,365.67 = 70,463.28 : x
  2. Step 2: Convert to fraction form
    124,181.47/171,365.67 = 70,463.28/x
  3. Step 3: Cross multiply
    124,181.47x = 171,365.67 × 70,463.28
  4. Step 4: Simplify right side
    124,181.47x = 12,074,987,187.60
  5. Step 5: Solve for x
    x = 12,074,987,187.60/124,181.47
  6. Step 6: Final answer
    x = 97,236.63

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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.