Home / 136,277.83-188,068.87-75,851.02

Finding the Fourth Proportional to 136,277.83, 188,068.87 and 75,851.02

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Solution

The fourth proportional to 136,277.83, 188,068.87 and 75,851.02 is: 104,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,277.83 : 188,068.87 = 75,851.02 : x
  2. Step 2: Convert to fraction form
    136,277.83/188,068.87 = 75,851.02/x
  3. Step 3: Cross multiply
    136,277.83x = 188,068.87 × 75,851.02
  4. Step 4: Simplify right side
    136,277.83x = 14,265,215,619.75
  5. Step 5: Solve for x
    x = 14,265,215,619.75/136,277.83
  6. Step 6: Final answer
    x = 104,677.45

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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.