Home / 160,306.90-221,227.05-88,692.01

Finding the Fourth Proportional to 160,306.90, 221,227.05 and 88,692.01

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Solution

The fourth proportional to 160,306.90, 221,227.05 and 88,692.01 is: 122,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,306.90 : 221,227.05 = 88,692.01 : x
  2. Step 2: Convert to fraction form
    160,306.90/221,227.05 = 88,692.01/x
  3. Step 3: Cross multiply
    160,306.90x = 221,227.05 × 88,692.01
  4. Step 4: Simplify right side
    160,306.90x = 19,621,071,730.87
  5. Step 5: Solve for x
    x = 19,621,071,730.87/160,306.90
  6. Step 6: Final answer
    x = 122,396.93

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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.