Home / 207,128.31-285,913.34-181,903.35

Finding the Fourth Proportional to 207,128.31, 285,913.34 and 181,903.35

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Solution

The fourth proportional to 207,128.31, 285,913.34 and 181,903.35 is: 251,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,128.31 : 285,913.34 = 181,903.35 : x
  2. Step 2: Convert to fraction form
    207,128.31/285,913.34 = 181,903.35/x
  3. Step 3: Cross multiply
    207,128.31x = 285,913.34 × 181,903.35
  4. Step 4: Simplify right side
    207,128.31x = 52,008,593,446.17
  5. Step 5: Solve for x
    x = 52,008,593,446.17/207,128.31
  6. Step 6: Final answer
    x = 251,093.60

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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.