Home / 260,927.46-391,440.33-83,386.80

Finding the Fourth Proportional to 260,927.46, 391,440.33 and 83,386.80

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Solution

The fourth proportional to 260,927.46, 391,440.33 and 83,386.80 is: 125,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,927.46 : 391,440.33 = 83,386.80 : x
  2. Step 2: Convert to fraction form
    260,927.46/391,440.33 = 83,386.80/x
  3. Step 3: Cross multiply
    260,927.46x = 391,440.33 × 83,386.80
  4. Step 4: Simplify right side
    260,927.46x = 32,640,956,509.64
  5. Step 5: Solve for x
    x = 32,640,956,509.64/260,927.46
  6. Step 6: Final answer
    x = 125,095.90

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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.