Home / 120,526.40-166,336.26-66,828.26

Finding the Fourth Proportional to 120,526.40, 166,336.26 and 66,828.26

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Solution

The fourth proportional to 120,526.40, 166,336.26 and 66,828.26 is: 92,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526.40 : 166,336.26 = 66,828.26 : x
  2. Step 2: Convert to fraction form
    120,526.40/166,336.26 = 66,828.26/x
  3. Step 3: Cross multiply
    120,526.40x = 166,336.26 × 66,828.26
  4. Step 4: Simplify right side
    120,526.40x = 11,115,962,830.71
  5. Step 5: Solve for x
    x = 11,115,962,830.71/120,526.40
  6. Step 6: Final answer
    x = 92,228.45

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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.