Home / 112,529.54-154,641.39-107,325.69

Finding the Fourth Proportional to 112,529.54, 154,641.39 and 107,325.69

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Solution

The fourth proportional to 112,529.54, 154,641.39 and 107,325.69 is: 147,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,529.54 : 154,641.39 = 107,325.69 : x
  2. Step 2: Convert to fraction form
    112,529.54/154,641.39 = 107,325.69/x
  3. Step 3: Cross multiply
    112,529.54x = 154,641.39 × 107,325.69
  4. Step 4: Simplify right side
    112,529.54x = 16,596,993,884.31
  5. Step 5: Solve for x
    x = 16,596,993,884.31/112,529.54
  6. Step 6: Final answer
    x = 147,490.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.