Home / 212,267.35-292,916.05-115,470.50

Finding the Fourth Proportional to 212,267.35, 292,916.05 and 115,470.50

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Solution

The fourth proportional to 212,267.35, 292,916.05 and 115,470.50 is: 159,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,267.35 : 292,916.05 = 115,470.50 : x
  2. Step 2: Convert to fraction form
    212,267.35/292,916.05 = 115,470.50/x
  3. Step 3: Cross multiply
    212,267.35x = 292,916.05 × 115,470.50
  4. Step 4: Simplify right side
    212,267.35x = 33,823,163,195.14
  5. Step 5: Solve for x
    x = 33,823,163,195.14/212,267.35
  6. Step 6: Final answer
    x = 159,342.28

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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.