Home / 118,181.39-163,091.36-64,466.65

Finding the Fourth Proportional to 118,181.39, 163,091.36 and 64,466.65

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Solution

The fourth proportional to 118,181.39, 163,091.36 and 64,466.65 is: 88,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,181.39 : 163,091.36 = 64,466.65 : x
  2. Step 2: Convert to fraction form
    118,181.39/163,091.36 = 64,466.65/x
  3. Step 3: Cross multiply
    118,181.39x = 163,091.36 × 64,466.65
  4. Step 4: Simplify right side
    118,181.39x = 10,513,953,376.58
  5. Step 5: Solve for x
    x = 10,513,953,376.58/118,181.39
  6. Step 6: Final answer
    x = 88,964.54

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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.