Home / 142,878.35-214,317.53-48,100.61

Finding the Fourth Proportional to 142,878.35, 214,317.53 and 48,100.61

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Solution

The fourth proportional to 142,878.35, 214,317.53 and 48,100.61 is: 72,150.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,878.35 : 214,317.53 = 48,100.61 : x
  2. Step 2: Convert to fraction form
    142,878.35/214,317.53 = 48,100.61/x
  3. Step 3: Cross multiply
    142,878.35x = 214,317.53 × 48,100.61
  4. Step 4: Simplify right side
    142,878.35x = 10,308,803,926.69
  5. Step 5: Solve for x
    x = 10,308,803,926.69/142,878.35
  6. Step 6: Final answer
    x = 72,150.92

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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.