Home / 202,250.10-279,160.65-117,394.50

Finding the Fourth Proportional to 202,250.10, 279,160.65 and 117,394.50

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Solution

The fourth proportional to 202,250.10, 279,160.65 and 117,394.50 is: 162,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,250.10 : 279,160.65 = 117,394.50 : x
  2. Step 2: Convert to fraction form
    202,250.10/279,160.65 = 117,394.50/x
  3. Step 3: Cross multiply
    202,250.10x = 279,160.65 × 117,394.50
  4. Step 4: Simplify right side
    202,250.10x = 32,771,924,926.43
  5. Step 5: Solve for x
    x = 32,771,924,926.43/202,250.10
  6. Step 6: Final answer
    x = 162,036.63

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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.