Home / 133,156.17-183,748.05-75,809.46

Finding the Fourth Proportional to 133,156.17, 183,748.05 and 75,809.46

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Solution

The fourth proportional to 133,156.17, 183,748.05 and 75,809.46 is: 104,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,156.17 : 183,748.05 = 75,809.46 : x
  2. Step 2: Convert to fraction form
    133,156.17/183,748.05 = 75,809.46/x
  3. Step 3: Cross multiply
    133,156.17x = 183,748.05 × 75,809.46
  4. Step 4: Simplify right side
    133,156.17x = 13,929,840,446.55
  5. Step 5: Solve for x
    x = 13,929,840,446.55/133,156.17
  6. Step 6: Final answer
    x = 104,612.80

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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.