Home / 228,875.60-315,784.97-132,072.72

Finding the Fourth Proportional to 228,875.60, 315,784.97 and 132,072.72

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Solution

The fourth proportional to 228,875.60, 315,784.97 and 132,072.72 is: 182,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,875.60 : 315,784.97 = 132,072.72 : x
  2. Step 2: Convert to fraction form
    228,875.60/315,784.97 = 132,072.72/x
  3. Step 3: Cross multiply
    228,875.60x = 315,784.97 × 132,072.72
  4. Step 4: Simplify right side
    228,875.60x = 41,706,579,923.02
  5. Step 5: Solve for x
    x = 41,706,579,923.02/228,875.60
  6. Step 6: Final answer
    x = 182,223.79

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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.