Home / 202,339.77-279,185.57-117,411.27

Finding the Fourth Proportional to 202,339.77, 279,185.57 and 117,411.27

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Solution

The fourth proportional to 202,339.77, 279,185.57 and 117,411.27 is: 162,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,339.77 : 279,185.57 = 117,411.27 : x
  2. Step 2: Convert to fraction form
    202,339.77/279,185.57 = 117,411.27/x
  3. Step 3: Cross multiply
    202,339.77x = 279,185.57 × 117,411.27
  4. Step 4: Simplify right side
    202,339.77x = 32,779,531,752.32
  5. Step 5: Solve for x
    x = 32,779,531,752.32/202,339.77
  6. Step 6: Final answer
    x = 162,002.42

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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.