Home / 172,828.01-238,298.64-118,406.27

Finding the Fourth Proportional to 172,828.01, 238,298.64 and 118,406.27

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Solution

The fourth proportional to 172,828.01, 238,298.64 and 118,406.27 is: 163,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,828.01 : 238,298.64 = 118,406.27 : x
  2. Step 2: Convert to fraction form
    172,828.01/238,298.64 = 118,406.27/x
  3. Step 3: Cross multiply
    172,828.01x = 238,298.64 × 118,406.27
  4. Step 4: Simplify right side
    172,828.01x = 28,216,053,108.47
  5. Step 5: Solve for x
    x = 28,216,053,108.47/172,828.01
  6. Step 6: Final answer
    x = 163,260.88

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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.