Home / 195,285.95-269,483.77-109,228.31

Finding the Fourth Proportional to 195,285.95, 269,483.77 and 109,228.31

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Solution

The fourth proportional to 195,285.95, 269,483.77 and 109,228.31 is: 150,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,285.95 : 269,483.77 = 109,228.31 : x
  2. Step 2: Convert to fraction form
    195,285.95/269,483.77 = 109,228.31/x
  3. Step 3: Cross multiply
    195,285.95x = 269,483.77 × 109,228.31
  4. Step 4: Simplify right side
    195,285.95x = 29,435,254,875.97
  5. Step 5: Solve for x
    x = 29,435,254,875.97/195,285.95
  6. Step 6: Final answer
    x = 150,729.00

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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.