Home / 141,971.54-212,813.53-92,083.30

Finding the Fourth Proportional to 141,971.54, 212,813.53 and 92,083.30

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Solution

The fourth proportional to 141,971.54, 212,813.53 and 92,083.30 is: 138,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971.54 : 212,813.53 = 92,083.30 : x
  2. Step 2: Convert to fraction form
    141,971.54/212,813.53 = 92,083.30/x
  3. Step 3: Cross multiply
    141,971.54x = 212,813.53 × 92,083.30
  4. Step 4: Simplify right side
    141,971.54x = 19,596,571,364.81
  5. Step 5: Solve for x
    x = 19,596,571,364.81/141,971.54
  6. Step 6: Final answer
    x = 138,031.69

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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.