Home / 160,456.30-221,428.17-92,448.34

Finding the Fourth Proportional to 160,456.30, 221,428.17 and 92,448.34

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Solution

The fourth proportional to 160,456.30, 221,428.17 and 92,448.34 is: 127,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,456.30 : 221,428.17 = 92,448.34 : x
  2. Step 2: Convert to fraction form
    160,456.30/221,428.17 = 92,448.34/x
  3. Step 3: Cross multiply
    160,456.30x = 221,428.17 × 92,448.34
  4. Step 4: Simplify right side
    160,456.30x = 20,470,666,745.74
  5. Step 5: Solve for x
    x = 20,470,666,745.74/160,456.30
  6. Step 6: Final answer
    x = 127,577.83

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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.