Home / 112,901.22-169,019.62-75,368.20

Finding the Fourth Proportional to 112,901.22, 169,019.62 and 75,368.20

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Solution

The fourth proportional to 112,901.22, 169,019.62 and 75,368.20 is: 112,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,901.22 : 169,019.62 = 75,368.20 : x
  2. Step 2: Convert to fraction form
    112,901.22/169,019.62 = 75,368.20/x
  3. Step 3: Cross multiply
    112,901.22x = 169,019.62 × 75,368.20
  4. Step 4: Simplify right side
    112,901.22x = 12,738,704,524.08
  5. Step 5: Solve for x
    x = 12,738,704,524.08/112,901.22
  6. Step 6: Final answer
    x = 112,830.53

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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.