Home / 236,787.02-326,770.90-129,364.02

Finding the Fourth Proportional to 236,787.02, 326,770.90 and 129,364.02

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Solution

The fourth proportional to 236,787.02, 326,770.90 and 129,364.02 is: 178,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,787.02 : 326,770.90 = 129,364.02 : x
  2. Step 2: Convert to fraction form
    236,787.02/326,770.90 = 129,364.02/x
  3. Step 3: Cross multiply
    236,787.02x = 326,770.90 × 129,364.02
  4. Step 4: Simplify right side
    236,787.02x = 42,272,397,243.02
  5. Step 5: Solve for x
    x = 42,272,397,243.02/236,787.02
  6. Step 6: Final answer
    x = 178,524.98

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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.