Home / 255,588.03-383,381.97-68,599.53

Finding the Fourth Proportional to 255,588.03, 383,381.97 and 68,599.53

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Solution

The fourth proportional to 255,588.03, 383,381.97 and 68,599.53 is: 102,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,588.03 : 383,381.97 = 68,599.53 : x
  2. Step 2: Convert to fraction form
    255,588.03/383,381.97 = 68,599.53/x
  3. Step 3: Cross multiply
    255,588.03x = 383,381.97 × 68,599.53
  4. Step 4: Simplify right side
    255,588.03x = 26,299,822,952.47
  5. Step 5: Solve for x
    x = 26,299,822,952.47/255,588.03
  6. Step 6: Final answer
    x = 102,899.27

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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.