Home / 260,986.41-360,155.12-153,563.40

Finding the Fourth Proportional to 260,986.41, 360,155.12 and 153,563.40

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Solution

The fourth proportional to 260,986.41, 360,155.12 and 153,563.40 is: 211,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,986.41 : 360,155.12 = 153,563.40 : x
  2. Step 2: Convert to fraction form
    260,986.41/360,155.12 = 153,563.40/x
  3. Step 3: Cross multiply
    260,986.41x = 360,155.12 × 153,563.40
  4. Step 4: Simplify right side
    260,986.41x = 55,306,642,636.21
  5. Step 5: Solve for x
    x = 55,306,642,636.21/260,986.41
  6. Step 6: Final answer
    x = 211,913.88

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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.