Home / 188,516.08-260,112.93-112,062.21

Finding the Fourth Proportional to 188,516.08, 260,112.93 and 112,062.21

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Solution

The fourth proportional to 188,516.08, 260,112.93 and 112,062.21 is: 154,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,516.08 : 260,112.93 = 112,062.21 : x
  2. Step 2: Convert to fraction form
    188,516.08/260,112.93 = 112,062.21/x
  3. Step 3: Cross multiply
    188,516.08x = 260,112.93 × 112,062.21
  4. Step 4: Simplify right side
    188,516.08x = 29,148,829,785.38
  5. Step 5: Solve for x
    x = 29,148,829,785.38/188,516.08
  6. Step 6: Final answer
    x = 154,622.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.