Home / 186,135.51-279,097.34-127,042.77

Finding the Fourth Proportional to 186,135.51, 279,097.34 and 127,042.77

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Solution

The fourth proportional to 186,135.51, 279,097.34 and 127,042.77 is: 190,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,135.51 : 279,097.34 = 127,042.77 : x
  2. Step 2: Convert to fraction form
    186,135.51/279,097.34 = 127,042.77/x
  3. Step 3: Cross multiply
    186,135.51x = 279,097.34 × 127,042.77
  4. Step 4: Simplify right side
    186,135.51x = 35,457,298,538.02
  5. Step 5: Solve for x
    x = 35,457,298,538.02/186,135.51
  6. Step 6: Final answer
    x = 190,491.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.