Home / 260,986.47-360,155.20-153,563.46

Finding the Fourth Proportional to 260,986.47, 360,155.20 and 153,563.46

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Solution

The fourth proportional to 260,986.47, 360,155.20 and 153,563.46 is: 211,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,986.47 : 360,155.20 = 153,563.46 : x
  2. Step 2: Convert to fraction form
    260,986.47/360,155.20 = 153,563.46/x
  3. Step 3: Cross multiply
    260,986.47x = 360,155.20 × 153,563.46
  4. Step 4: Simplify right side
    260,986.47x = 55,306,678,648.99
  5. Step 5: Solve for x
    x = 55,306,678,648.99/260,986.47
  6. Step 6: Final answer
    x = 211,913.97

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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.