Home / 141,981.40-212,997.60-48,465.28

Finding the Fourth Proportional to 141,981.40, 212,997.60 and 48,465.28

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Solution

The fourth proportional to 141,981.40, 212,997.60 and 48,465.28 is: 72,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,981.40 : 212,997.60 = 48,465.28 : x
  2. Step 2: Convert to fraction form
    141,981.40/212,997.60 = 48,465.28/x
  3. Step 3: Cross multiply
    141,981.40x = 212,997.60 × 48,465.28
  4. Step 4: Simplify right side
    141,981.40x = 10,322,988,323.33
  5. Step 5: Solve for x
    x = 10,322,988,323.33/141,981.40
  6. Step 6: Final answer
    x = 72,706.62

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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.