Home / 185,757.02-256,345.67-105,200.22

Finding the Fourth Proportional to 185,757.02, 256,345.67 and 105,200.22

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Solution

The fourth proportional to 185,757.02, 256,345.67 and 105,200.22 is: 145,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,757.02 : 256,345.67 = 105,200.22 : x
  2. Step 2: Convert to fraction form
    185,757.02/256,345.67 = 105,200.22/x
  3. Step 3: Cross multiply
    185,757.02x = 256,345.67 × 105,200.22
  4. Step 4: Simplify right side
    185,757.02x = 26,967,620,354.05
  5. Step 5: Solve for x
    x = 26,967,620,354.05/185,757.02
  6. Step 6: Final answer
    x = 145,176.86

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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.