Home / 203,702.81-281,123.02-113,058.78

Finding the Fourth Proportional to 203,702.81, 281,123.02 and 113,058.78

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Solution

The fourth proportional to 203,702.81, 281,123.02 and 113,058.78 is: 156,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,702.81 : 281,123.02 = 113,058.78 : x
  2. Step 2: Convert to fraction form
    203,702.81/281,123.02 = 113,058.78/x
  3. Step 3: Cross multiply
    203,702.81x = 281,123.02 × 113,058.78
  4. Step 4: Simplify right side
    203,702.81x = 31,783,425,703.59
  5. Step 5: Solve for x
    x = 31,783,425,703.59/203,702.81
  6. Step 6: Final answer
    x = 156,028.41

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1.5x scale

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.