Home / 223,219.03-308,044.76-131,358.63

Finding the Fourth Proportional to 223,219.03, 308,044.76 and 131,358.63

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Solution

The fourth proportional to 223,219.03, 308,044.76 and 131,358.63 is: 181,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,219.03 : 308,044.76 = 131,358.63 : x
  2. Step 2: Convert to fraction form
    223,219.03/308,044.76 = 131,358.63/x
  3. Step 3: Cross multiply
    223,219.03x = 308,044.76 × 131,358.63
  4. Step 4: Simplify right side
    223,219.03x = 40,464,335,783.66
  5. Step 5: Solve for x
    x = 40,464,335,783.66/223,219.03
  6. Step 6: Final answer
    x = 181,276.37

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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.