Home / 125,415.04-188,128.80-41,141.12

Finding the Fourth Proportional to 125,415.04, 188,128.80 and 41,141.12

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Solution

The fourth proportional to 125,415.04, 188,128.80 and 41,141.12 is: 61,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,415.04 : 188,128.80 = 41,141.12 : x
  2. Step 2: Convert to fraction form
    125,415.04/188,128.80 = 41,141.12/x
  3. Step 3: Cross multiply
    125,415.04x = 188,128.80 × 41,141.12
  4. Step 4: Simplify right side
    125,415.04x = 7,739,829,536.26
  5. Step 5: Solve for x
    x = 7,739,829,536.26/125,415.04
  6. Step 6: Final answer
    x = 61,713.73

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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.