Home / 141,815.52-212,760.18-53,076

Finding the Fourth Proportional to 141,815.52, 212,760.18 and 53,076

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Solution

The fourth proportional to 141,815.52, 212,760.18 and 53,076 is: 79,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.52 : 212,760.18 = 53,076 : x
  2. Step 2: Convert to fraction form
    141,815.52/212,760.18 = 53,076/x
  3. Step 3: Cross multiply
    141,815.52x = 212,760.18 × 53,076
  4. Step 4: Simplify right side
    141,815.52x = 11,292,459,313.68
  5. Step 5: Solve for x
    x = 11,292,459,313.68/141,815.52
  6. Step 6: Final answer
    x = 79,627.81

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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.