Home / 188,657.18-260,341.48-103,774.24

Finding the Fourth Proportional to 188,657.18, 260,341.48 and 103,774.24

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Solution

The fourth proportional to 188,657.18, 260,341.48 and 103,774.24 is: 143,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,657.18 : 260,341.48 = 103,774.24 : x
  2. Step 2: Convert to fraction form
    188,657.18/260,341.48 = 103,774.24/x
  3. Step 3: Cross multiply
    188,657.18x = 260,341.48 × 103,774.24
  4. Step 4: Simplify right side
    188,657.18x = 27,016,739,098.89
  5. Step 5: Solve for x
    x = 27,016,739,098.89/188,657.18
  6. Step 6: Final answer
    x = 143,205.47

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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.