Home / 145,053.32-200,122.26-94,781.48

Finding the Fourth Proportional to 145,053.32, 200,122.26 and 94,781.48

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Solution

The fourth proportional to 145,053.32, 200,122.26 and 94,781.48 is: 130,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,053.32 : 200,122.26 = 94,781.48 : x
  2. Step 2: Convert to fraction form
    145,053.32/200,122.26 = 94,781.48/x
  3. Step 3: Cross multiply
    145,053.32x = 200,122.26 × 94,781.48
  4. Step 4: Simplify right side
    145,053.32x = 18,967,883,983.74
  5. Step 5: Solve for x
    x = 18,967,883,983.74/145,053.32
  6. Step 6: Final answer
    x = 130,764.91

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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.