Home / 118,347.58-163,298.05-67,357.36

Finding the Fourth Proportional to 118,347.58, 163,298.05 and 67,357.36

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Solution

The fourth proportional to 118,347.58, 163,298.05 and 67,357.36 is: 92,940.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,347.58 : 163,298.05 = 67,357.36 : x
  2. Step 2: Convert to fraction form
    118,347.58/163,298.05 = 67,357.36/x
  3. Step 3: Cross multiply
    118,347.58x = 163,298.05 × 67,357.36
  4. Step 4: Simplify right side
    118,347.58x = 10,999,325,541.15
  5. Step 5: Solve for x
    x = 10,999,325,541.15/118,347.58
  6. Step 6: Final answer
    x = 92,940.86

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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.