Home / 118,265.77-163,205.43-67,277.31

Finding the Fourth Proportional to 118,265.77, 163,205.43 and 67,277.31

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Solution

The fourth proportional to 118,265.77, 163,205.43 and 67,277.31 is: 92,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,265.77 : 163,205.43 = 67,277.31 : x
  2. Step 2: Convert to fraction form
    118,265.77/163,205.43 = 67,277.31/x
  3. Step 3: Cross multiply
    118,265.77x = 163,205.43 × 67,277.31
  4. Step 4: Simplify right side
    118,265.77x = 10,980,022,307.79
  5. Step 5: Solve for x
    x = 10,980,022,307.79/118,265.77
  6. Step 6: Final answer
    x = 92,841.93

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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.