Home / 121,877.40-182,743.20-62,828.40

Finding the Fourth Proportional to 121,877.40, 182,743.20 and 62,828.40

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Solution

The fourth proportional to 121,877.40, 182,743.20 and 62,828.40 is: 94,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,877.40 : 182,743.20 = 62,828.40 : x
  2. Step 2: Convert to fraction form
    121,877.40/182,743.20 = 62,828.40/x
  3. Step 3: Cross multiply
    121,877.40x = 182,743.20 × 62,828.40
  4. Step 4: Simplify right side
    121,877.40x = 11,481,462,866.88
  5. Step 5: Solve for x
    x = 11,481,462,866.88/121,877.40
  6. Step 6: Final answer
    x = 94,205.02

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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.