Home / 120,283.33-166,059.77-89,823.89

Finding the Fourth Proportional to 120,283.33, 166,059.77 and 89,823.89

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Solution

The fourth proportional to 120,283.33, 166,059.77 and 89,823.89 is: 124,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,283.33 : 166,059.77 = 89,823.89 : x
  2. Step 2: Convert to fraction form
    120,283.33/166,059.77 = 89,823.89/x
  3. Step 3: Cross multiply
    120,283.33x = 166,059.77 × 89,823.89
  4. Step 4: Simplify right side
    120,283.33x = 14,916,134,051.11
  5. Step 5: Solve for x
    x = 14,916,134,051.11/120,283.33
  6. Step 6: Final answer
    x = 124,008.32

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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.