Home / 188,501.48-260,129.94-102,458.60

Finding the Fourth Proportional to 188,501.48, 260,129.94 and 102,458.60

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Solution

The fourth proportional to 188,501.48, 260,129.94 and 102,458.60 is: 141,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,501.48 : 260,129.94 = 102,458.60 : x
  2. Step 2: Convert to fraction form
    188,501.48/260,129.94 = 102,458.60/x
  3. Step 3: Cross multiply
    188,501.48x = 260,129.94 × 102,458.60
  4. Step 4: Simplify right side
    188,501.48x = 26,652,549,470.48
  5. Step 5: Solve for x
    x = 26,652,549,470.48/188,501.48
  6. Step 6: Final answer
    x = 141,391.73

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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.