Home / 605,123.30-907,783.45-178,702.25

Finding the Fourth Proportional to 605,123.30, 907,783.45 and 178,702.25

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Solution

The fourth proportional to 605,123.30, 907,783.45 and 178,702.25 is: 268,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,123.30 : 907,783.45 = 178,702.25 : x
  2. Step 2: Convert to fraction form
    605,123.30/907,783.45 = 178,702.25/x
  3. Step 3: Cross multiply
    605,123.30x = 907,783.45 × 178,702.25
  4. Step 4: Simplify right side
    605,123.30x = 162,222,947,520.60
  5. Step 5: Solve for x
    x = 162,222,947,520.60/605,123.30
  6. Step 6: Final answer
    x = 268,082.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.