Home / 125,566.10-188,349.15-115,943.30

Finding the Fourth Proportional to 125,566.10, 188,349.15 and 115,943.30

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Solution

The fourth proportional to 125,566.10, 188,349.15 and 115,943.30 is: 173,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,566.10 : 188,349.15 = 115,943.30 : x
  2. Step 2: Convert to fraction form
    125,566.10/188,349.15 = 115,943.30/x
  3. Step 3: Cross multiply
    125,566.10x = 188,349.15 × 115,943.30
  4. Step 4: Simplify right side
    125,566.10x = 21,837,822,003.20
  5. Step 5: Solve for x
    x = 21,837,822,003.20/125,566.10
  6. Step 6: Final answer
    x = 173,914.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.