Home / 173,721.90-260,582.85-120,577.80

Finding the Fourth Proportional to 173,721.90, 260,582.85 and 120,577.80

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Solution

The fourth proportional to 173,721.90, 260,582.85 and 120,577.80 is: 180,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,721.90 : 260,582.85 = 120,577.80 : x
  2. Step 2: Convert to fraction form
    173,721.90/260,582.85 = 120,577.80/x
  3. Step 3: Cross multiply
    173,721.90x = 260,582.85 × 120,577.80
  4. Step 4: Simplify right side
    173,721.90x = 31,420,506,770.73
  5. Step 5: Solve for x
    x = 31,420,506,770.73/173,721.90
  6. Step 6: Final answer
    x = 180,866.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.