Home / 188,497.08-260,129.52-103,614.12

Finding the Fourth Proportional to 188,497.08, 260,129.52 and 103,614.12

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Solution

The fourth proportional to 188,497.08, 260,129.52 and 103,614.12 is: 142,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,497.08 : 260,129.52 = 103,614.12 : x
  2. Step 2: Convert to fraction form
    188,497.08/260,129.52 = 103,614.12/x
  3. Step 3: Cross multiply
    188,497.08x = 260,129.52 × 103,614.12
  4. Step 4: Simplify right side
    188,497.08x = 26,953,091,300.82
  5. Step 5: Solve for x
    x = 26,953,091,300.82/188,497.08
  6. Step 6: Final answer
    x = 142,989.44

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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.