Home / 112,641.68-168,813.06-93,958.32

Finding the Fourth Proportional to 112,641.68, 168,813.06 and 93,958.32

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Solution

The fourth proportional to 112,641.68, 168,813.06 and 93,958.32 is: 140,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,641.68 : 168,813.06 = 93,958.32 : x
  2. Step 2: Convert to fraction form
    112,641.68/168,813.06 = 93,958.32/x
  3. Step 3: Cross multiply
    112,641.68x = 168,813.06 × 93,958.32
  4. Step 4: Simplify right side
    112,641.68x = 15,861,391,511.66
  5. Step 5: Solve for x
    x = 15,861,391,511.66/112,641.68
  6. Step 6: Final answer
    x = 140,812.81

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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.