Home / 133,276.88-183,929.20-76,706.48

Finding the Fourth Proportional to 133,276.88, 183,929.20 and 76,706.48

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Solution

The fourth proportional to 133,276.88, 183,929.20 and 76,706.48 is: 105,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,276.88 : 183,929.20 = 76,706.48 : x
  2. Step 2: Convert to fraction form
    133,276.88/183,929.20 = 76,706.48/x
  3. Step 3: Cross multiply
    133,276.88x = 183,929.20 × 76,706.48
  4. Step 4: Simplify right side
    133,276.88x = 14,108,561,501.22
  5. Step 5: Solve for x
    x = 14,108,561,501.22/133,276.88
  6. Step 6: Final answer
    x = 105,859.03

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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.