Home / 104,932.66-157,341.28-71,690.26

Finding the Fourth Proportional to 104,932.66, 157,341.28 and 71,690.26

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Solution

The fourth proportional to 104,932.66, 157,341.28 and 71,690.26 is: 107,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,932.66 : 157,341.28 = 71,690.26 : x
  2. Step 2: Convert to fraction form
    104,932.66/157,341.28 = 71,690.26/x
  3. Step 3: Cross multiply
    104,932.66x = 157,341.28 × 71,690.26
  4. Step 4: Simplify right side
    104,932.66x = 11,279,837,271.93
  5. Step 5: Solve for x
    x = 11,279,837,271.93/104,932.66
  6. Step 6: Final answer
    x = 107,495.96

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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.