Home / 260,995.20-360,156.32-153,544.47

Finding the Fourth Proportional to 260,995.20, 360,156.32 and 153,544.47

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Solution

The fourth proportional to 260,995.20, 360,156.32 and 153,544.47 is: 211,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,995.20 : 360,156.32 = 153,544.47 : x
  2. Step 2: Convert to fraction form
    260,995.20/360,156.32 = 153,544.47/x
  3. Step 3: Cross multiply
    260,995.20x = 360,156.32 × 153,544.47
  4. Step 4: Simplify right side
    260,995.20x = 55,300,011,271.55
  5. Step 5: Solve for x
    x = 55,300,011,271.55/260,995.20
  6. Step 6: Final answer
    x = 211,881.33

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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.