Home / 112,830.98-169,202.72-60,211.76

Finding the Fourth Proportional to 112,830.98, 169,202.72 and 60,211.76

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Solution

The fourth proportional to 112,830.98, 169,202.72 and 60,211.76 is: 90,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,830.98 : 169,202.72 = 60,211.76 : x
  2. Step 2: Convert to fraction form
    112,830.98/169,202.72 = 60,211.76/x
  3. Step 3: Cross multiply
    112,830.98x = 169,202.72 × 60,211.76
  4. Step 4: Simplify right side
    112,830.98x = 10,187,993,567.99
  5. Step 5: Solve for x
    x = 10,187,993,567.99/112,830.98
  6. Step 6: Final answer
    x = 90,294.29

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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.