Home / 125,502.22-188,239.65-36,756.51

Finding the Fourth Proportional to 125,502.22, 188,239.65 and 36,756.51

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Solution

The fourth proportional to 125,502.22, 188,239.65 and 36,756.51 is: 55,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,502.22 : 188,239.65 = 36,756.51 : x
  2. Step 2: Convert to fraction form
    125,502.22/188,239.65 = 36,756.51/x
  3. Step 3: Cross multiply
    125,502.22x = 188,239.65 × 36,756.51
  4. Step 4: Simplify right side
    125,502.22x = 6,919,032,577.62
  5. Step 5: Solve for x
    x = 6,919,032,577.62/125,502.22
  6. Step 6: Final answer
    x = 55,130.76

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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.