Home / 381,345.02-572,050.77-125,100.75

Finding the Fourth Proportional to 381,345.02, 572,050.77 and 125,100.75

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Solution

The fourth proportional to 381,345.02, 572,050.77 and 125,100.75 is: 187,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,345.02 : 572,050.77 = 125,100.75 : x
  2. Step 2: Convert to fraction form
    381,345.02/572,050.77 = 125,100.75/x
  3. Step 3: Cross multiply
    381,345.02x = 572,050.77 × 125,100.75
  4. Step 4: Simplify right side
    381,345.02x = 71,563,980,365.08
  5. Step 5: Solve for x
    x = 71,563,980,365.08/381,345.02
  6. Step 6: Final answer
    x = 187,662.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.