Home / 188,543.98-260,184.04-103,660.39

Finding the Fourth Proportional to 188,543.98, 260,184.04 and 103,660.39

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Solution

The fourth proportional to 188,543.98, 260,184.04 and 103,660.39 is: 143,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,543.98 : 260,184.04 = 103,660.39 : x
  2. Step 2: Convert to fraction form
    188,543.98/260,184.04 = 103,660.39/x
  3. Step 3: Cross multiply
    188,543.98x = 260,184.04 × 103,660.39
  4. Step 4: Simplify right side
    188,543.98x = 26,970,779,058.18
  5. Step 5: Solve for x
    x = 26,970,779,058.18/188,543.98
  6. Step 6: Final answer
    x = 143,047.68

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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.