Home / 185,815.52-279,962.93-168,066.64

Finding the Fourth Proportional to 185,815.52, 279,962.93 and 168,066.64

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Solution

The fourth proportional to 185,815.52, 279,962.93 and 168,066.64 is: 253,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,815.52 : 279,962.93 = 168,066.64 : x
  2. Step 2: Convert to fraction form
    185,815.52/279,962.93 = 168,066.64/x
  3. Step 3: Cross multiply
    185,815.52x = 279,962.93 × 168,066.64
  4. Step 4: Simplify right side
    185,815.52x = 47,052,428,969.66
  5. Step 5: Solve for x
    x = 47,052,428,969.66/185,815.52
  6. Step 6: Final answer
    x = 253,221.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.