Home / 122,526.44-169,066.64-76,580.67

Finding the Fourth Proportional to 122,526.44, 169,066.64 and 76,580.67

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Solution

The fourth proportional to 122,526.44, 169,066.64 and 76,580.67 is: 105,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,526.44 : 169,066.64 = 76,580.67 : x
  2. Step 2: Convert to fraction form
    122,526.44/169,066.64 = 76,580.67/x
  3. Step 3: Cross multiply
    122,526.44x = 169,066.64 × 76,580.67
  4. Step 4: Simplify right side
    122,526.44x = 12,947,235,964.80
  5. Step 5: Solve for x
    x = 12,947,235,964.80/122,526.44
  6. Step 6: Final answer
    x = 105,668.92

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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.