Home / 185,828.02-256,435.41-105,260.02

Finding the Fourth Proportional to 185,828.02, 256,435.41 and 105,260.02

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Solution

The fourth proportional to 185,828.02, 256,435.41 and 105,260.02 is: 145,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,828.02 : 256,435.41 = 105,260.02 : x
  2. Step 2: Convert to fraction form
    185,828.02/256,435.41 = 105,260.02/x
  3. Step 3: Cross multiply
    185,828.02x = 256,435.41 × 105,260.02
  4. Step 4: Simplify right side
    185,828.02x = 26,992,396,385.31
  5. Step 5: Solve for x
    x = 26,992,396,385.31/185,828.02
  6. Step 6: Final answer
    x = 145,254.72

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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.