Home / 112,879.98-169,298.10-107,260.20

Finding the Fourth Proportional to 112,879.98, 169,298.10 and 107,260.20

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Solution

The fourth proportional to 112,879.98, 169,298.10 and 107,260.20 is: 160,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,879.98 : 169,298.10 = 107,260.20 : x
  2. Step 2: Convert to fraction form
    112,879.98/169,298.10 = 107,260.20/x
  3. Step 3: Cross multiply
    112,879.98x = 169,298.10 × 107,260.20
  4. Step 4: Simplify right side
    112,879.98x = 18,158,948,065.62
  5. Step 5: Solve for x
    x = 18,158,948,065.62/112,879.98
  6. Step 6: Final answer
    x = 160,869.52

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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.