Home / 188,533.86-260,177.40-103,656.30

Finding the Fourth Proportional to 188,533.86, 260,177.40 and 103,656.30

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Solution

The fourth proportional to 188,533.86, 260,177.40 and 103,656.30 is: 143,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,533.86 : 260,177.40 = 103,656.30 : x
  2. Step 2: Convert to fraction form
    188,533.86/260,177.40 = 103,656.30/x
  3. Step 3: Cross multiply
    188,533.86x = 260,177.40 × 103,656.30
  4. Step 4: Simplify right side
    188,533.86x = 26,969,026,627.62
  5. Step 5: Solve for x
    x = 26,969,026,627.62/188,533.86
  6. Step 6: Final answer
    x = 143,046.06

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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.