Home / 188,545.48-260,193.90-103,663.24

Finding the Fourth Proportional to 188,545.48, 260,193.90 and 103,663.24

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Solution

The fourth proportional to 188,545.48, 260,193.90 and 103,663.24 is: 143,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,545.48 : 260,193.90 = 103,663.24 : x
  2. Step 2: Convert to fraction form
    188,545.48/260,193.90 = 103,663.24/x
  3. Step 3: Cross multiply
    188,545.48x = 260,193.90 × 103,663.24
  4. Step 4: Simplify right side
    188,545.48x = 26,972,542,702.24
  5. Step 5: Solve for x
    x = 26,972,542,702.24/188,545.48
  6. Step 6: Final answer
    x = 143,055.90

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1.5x scale

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.