Home / 141,880.60-212,690.20-48,321.28

Finding the Fourth Proportional to 141,880.60, 212,690.20 and 48,321.28

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Solution

The fourth proportional to 141,880.60, 212,690.20 and 48,321.28 is: 72,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,880.60 : 212,690.20 = 48,321.28 : x
  2. Step 2: Convert to fraction form
    141,880.60/212,690.20 = 48,321.28/x
  3. Step 3: Cross multiply
    141,880.60x = 212,690.20 × 48,321.28
  4. Step 4: Simplify right side
    141,880.60x = 10,277,462,707.46
  5. Step 5: Solve for x
    x = 10,277,462,707.46/141,880.60
  6. Step 6: Final answer
    x = 72,437.41

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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.