Home / 207,922.80-286,933.26-112,429.27

Finding the Fourth Proportional to 207,922.80, 286,933.26 and 112,429.27

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Solution

The fourth proportional to 207,922.80, 286,933.26 and 112,429.27 is: 155,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,922.80 : 286,933.26 = 112,429.27 : x
  2. Step 2: Convert to fraction form
    207,922.80/286,933.26 = 112,429.27/x
  3. Step 3: Cross multiply
    207,922.80x = 286,933.26 × 112,429.27
  4. Step 4: Simplify right side
    207,922.80x = 32,259,695,810.59
  5. Step 5: Solve for x
    x = 32,259,695,810.59/207,922.80
  6. Step 6: Final answer
    x = 155,152.28

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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.