Home / 260,275.91-359,173.98-143,993.66

Finding the Fourth Proportional to 260,275.91, 359,173.98 and 143,993.66

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Solution

The fourth proportional to 260,275.91, 359,173.98 and 143,993.66 is: 198,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,275.91 : 359,173.98 = 143,993.66 : x
  2. Step 2: Convert to fraction form
    260,275.91/359,173.98 = 143,993.66/x
  3. Step 3: Cross multiply
    260,275.91x = 359,173.98 × 143,993.66
  4. Step 4: Simplify right side
    260,275.91x = 51,718,774,161.10
  5. Step 5: Solve for x
    x = 51,718,774,161.10/260,275.91
  6. Step 6: Final answer
    x = 198,707.50

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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.