Home / 160,478.98-221,498.13-106,766.26

Finding the Fourth Proportional to 160,478.98, 221,498.13 and 106,766.26

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Solution

The fourth proportional to 160,478.98, 221,498.13 and 106,766.26 is: 147,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,478.98 : 221,498.13 = 106,766.26 : x
  2. Step 2: Convert to fraction form
    160,478.98/221,498.13 = 106,766.26/x
  3. Step 3: Cross multiply
    160,478.98x = 221,498.13 × 106,766.26
  4. Step 4: Simplify right side
    160,478.98x = 23,648,526,937.09
  5. Step 5: Solve for x
    x = 23,648,526,937.09/160,478.98
  6. Step 6: Final answer
    x = 147,362.15

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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.