Home / 131,814.44-181,903.65-71,385.06

Finding the Fourth Proportional to 131,814.44, 181,903.65 and 71,385.06

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Solution

The fourth proportional to 131,814.44, 181,903.65 and 71,385.06 is: 98,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,814.44 : 181,903.65 = 71,385.06 : x
  2. Step 2: Convert to fraction form
    131,814.44/181,903.65 = 71,385.06/x
  3. Step 3: Cross multiply
    131,814.44x = 181,903.65 × 71,385.06
  4. Step 4: Simplify right side
    131,814.44x = 12,985,202,969.47
  5. Step 5: Solve for x
    x = 12,985,202,969.47/131,814.44
  6. Step 6: Final answer
    x = 98,511.23

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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.