Home / 132,748.14-183,178.74-81,752.70

Finding the Fourth Proportional to 132,748.14, 183,178.74 and 81,752.70

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Solution

The fourth proportional to 132,748.14, 183,178.74 and 81,752.70 is: 112,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,748.14 : 183,178.74 = 81,752.70 : x
  2. Step 2: Convert to fraction form
    132,748.14/183,178.74 = 81,752.70/x
  3. Step 3: Cross multiply
    132,748.14x = 183,178.74 × 81,752.70
  4. Step 4: Simplify right side
    132,748.14x = 14,975,356,577.60
  5. Step 5: Solve for x
    x = 14,975,356,577.60/132,748.14
  6. Step 6: Final answer
    x = 112,810.29

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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.