Home / 141,460.22-195,215.64-77,802.02

Finding the Fourth Proportional to 141,460.22, 195,215.64 and 77,802.02

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Solution

The fourth proportional to 141,460.22, 195,215.64 and 77,802.02 is: 107,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,460.22 : 195,215.64 = 77,802.02 : x
  2. Step 2: Convert to fraction form
    141,460.22/195,215.64 = 77,802.02/x
  3. Step 3: Cross multiply
    141,460.22x = 195,215.64 × 77,802.02
  4. Step 4: Simplify right side
    141,460.22x = 15,188,171,127.59
  5. Step 5: Solve for x
    x = 15,188,171,127.59/141,460.22
  6. Step 6: Final answer
    x = 107,367.08

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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.