Home / 188,601.86-260,265.38-103,718.93

Finding the Fourth Proportional to 188,601.86, 260,265.38 and 103,718.93

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Solution

The fourth proportional to 188,601.86, 260,265.38 and 103,718.93 is: 143,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,601.86 : 260,265.38 = 103,718.93 : x
  2. Step 2: Convert to fraction form
    188,601.86/260,265.38 = 103,718.93/x
  3. Step 3: Cross multiply
    188,601.86x = 260,265.38 × 103,718.93
  4. Step 4: Simplify right side
    188,601.86x = 26,994,444,909.72
  5. Step 5: Solve for x
    x = 26,994,444,909.72/188,601.86
  6. Step 6: Final answer
    x = 143,129.26

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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.