Home / 205,916.12-284,167.26-118,653.11

Finding the Fourth Proportional to 205,916.12, 284,167.26 and 118,653.11

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Solution

The fourth proportional to 205,916.12, 284,167.26 and 118,653.11 is: 163,743.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,916.12 : 284,167.26 = 118,653.11 : x
  2. Step 2: Convert to fraction form
    205,916.12/284,167.26 = 118,653.11/x
  3. Step 3: Cross multiply
    205,916.12x = 284,167.26 × 118,653.11
  4. Step 4: Simplify right side
    205,916.12x = 33,717,327,738.34
  5. Step 5: Solve for x
    x = 33,717,327,738.34/205,916.12
  6. Step 6: Final answer
    x = 163,743.03

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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.