Home / 133,156.22-183,748.14-75,809.51

Finding the Fourth Proportional to 133,156.22, 183,748.14 and 75,809.51

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Solution

The fourth proportional to 133,156.22, 183,748.14 and 75,809.51 is: 104,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,156.22 : 183,748.14 = 75,809.51 : x
  2. Step 2: Convert to fraction form
    133,156.22/183,748.14 = 75,809.51/x
  3. Step 3: Cross multiply
    133,156.22x = 183,748.14 × 75,809.51
  4. Step 4: Simplify right side
    133,156.22x = 13,929,855,538.07
  5. Step 5: Solve for x
    x = 13,929,855,538.07/133,156.22
  6. Step 6: Final answer
    x = 104,612.88

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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.