Home / 181,984.20-251,138.76-105,518.30

Finding the Fourth Proportional to 181,984.20, 251,138.76 and 105,518.30

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Solution

The fourth proportional to 181,984.20, 251,138.76 and 105,518.30 is: 145,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,984.20 : 251,138.76 = 105,518.30 : x
  2. Step 2: Convert to fraction form
    181,984.20/251,138.76 = 105,518.30/x
  3. Step 3: Cross multiply
    181,984.20x = 251,138.76 × 105,518.30
  4. Step 4: Simplify right side
    181,984.20x = 26,499,735,019.31
  5. Step 5: Solve for x
    x = 26,499,735,019.31/181,984.20
  6. Step 6: Final answer
    x = 145,615.58

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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.