Home / 141,882.30-212,823.45-82,784.70

Finding the Fourth Proportional to 141,882.30, 212,823.45 and 82,784.70

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Solution

The fourth proportional to 141,882.30, 212,823.45 and 82,784.70 is: 124,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,882.30 : 212,823.45 = 82,784.70 : x
  2. Step 2: Convert to fraction form
    141,882.30/212,823.45 = 82,784.70/x
  3. Step 3: Cross multiply
    141,882.30x = 212,823.45 × 82,784.70
  4. Step 4: Simplify right side
    141,882.30x = 17,618,525,461.22
  5. Step 5: Solve for x
    x = 17,618,525,461.22/141,882.30
  6. Step 6: Final answer
    x = 124,177.05

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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.