Home / 255,587.03-383,380.47-68,598.53

Finding the Fourth Proportional to 255,587.03, 383,380.47 and 68,598.53

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Solution

The fourth proportional to 255,587.03, 383,380.47 and 68,598.53 is: 102,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,587.03 : 383,380.47 = 68,598.53 : x
  2. Step 2: Convert to fraction form
    255,587.03/383,380.47 = 68,598.53/x
  3. Step 3: Cross multiply
    255,587.03x = 383,380.47 × 68,598.53
  4. Step 4: Simplify right side
    255,587.03x = 26,299,334,755.81
  5. Step 5: Solve for x
    x = 26,299,334,755.81/255,587.03
  6. Step 6: Final answer
    x = 102,897.77

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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.