Home / 120,899.94-166,829.49-75,582.93

Finding the Fourth Proportional to 120,899.94, 166,829.49 and 75,582.93

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Solution

The fourth proportional to 120,899.94, 166,829.49 and 75,582.93 is: 104,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,899.94 : 166,829.49 = 75,582.93 : x
  2. Step 2: Convert to fraction form
    120,899.94/166,829.49 = 75,582.93/x
  3. Step 3: Cross multiply
    120,899.94x = 166,829.49 × 75,582.93
  4. Step 4: Simplify right side
    120,899.94x = 12,609,461,664.61
  5. Step 5: Solve for x
    x = 12,609,461,664.61/120,899.94
  6. Step 6: Final answer
    x = 104,296.67

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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.