Home / 260,752.06-391,124.79-83,256.82

Finding the Fourth Proportional to 260,752.06, 391,124.79 and 83,256.82

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Solution

The fourth proportional to 260,752.06, 391,124.79 and 83,256.82 is: 124,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,752.06 : 391,124.79 = 83,256.82 : x
  2. Step 2: Convert to fraction form
    260,752.06/391,124.79 = 83,256.82/x
  3. Step 3: Cross multiply
    260,752.06x = 391,124.79 × 83,256.82
  4. Step 4: Simplify right side
    260,752.06x = 32,563,806,238.57
  5. Step 5: Solve for x
    x = 32,563,806,238.57/260,752.06
  6. Step 6: Final answer
    x = 124,884.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.