Home / 160,438.11-221,427.76-92,442.06

Finding the Fourth Proportional to 160,438.11, 221,427.76 and 92,442.06

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Solution

The fourth proportional to 160,438.11, 221,427.76 and 92,442.06 is: 127,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,438.11 : 221,427.76 = 92,442.06 : x
  2. Step 2: Convert to fraction form
    160,438.11/221,427.76 = 92,442.06/x
  3. Step 3: Cross multiply
    160,438.11x = 221,427.76 × 92,442.06
  4. Step 4: Simplify right side
    160,438.11x = 20,469,237,168.45
  5. Step 5: Solve for x
    x = 20,469,237,168.45/160,438.11
  6. Step 6: Final answer
    x = 127,583.39

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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.