Home / 113,201.74-156,212.31-62,897.50

Finding the Fourth Proportional to 113,201.74, 156,212.31 and 62,897.50

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Solution

The fourth proportional to 113,201.74, 156,212.31 and 62,897.50 is: 86,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,201.74 : 156,212.31 = 62,897.50 : x
  2. Step 2: Convert to fraction form
    113,201.74/156,212.31 = 62,897.50/x
  3. Step 3: Cross multiply
    113,201.74x = 156,212.31 × 62,897.50
  4. Step 4: Simplify right side
    113,201.74x = 9,825,363,768.23
  5. Step 5: Solve for x
    x = 9,825,363,768.23/113,201.74
  6. Step 6: Final answer
    x = 86,795.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.