Home / 205,767.37-283,970.01-115,117.93

Finding the Fourth Proportional to 205,767.37, 283,970.01 and 115,117.93

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Solution

The fourth proportional to 205,767.37, 283,970.01 and 115,117.93 is: 158,868.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,767.37 : 283,970.01 = 115,117.93 : x
  2. Step 2: Convert to fraction form
    205,767.37/283,970.01 = 115,117.93/x
  3. Step 3: Cross multiply
    205,767.37x = 283,970.01 × 115,117.93
  4. Step 4: Simplify right side
    205,767.37x = 32,690,039,733.28
  5. Step 5: Solve for x
    x = 32,690,039,733.28/205,767.37
  6. Step 6: Final answer
    x = 158,868.92

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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.