Home / 186,629.16-279,957.78-53,508.36

Finding the Fourth Proportional to 186,629.16, 279,957.78 and 53,508.36

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Solution

The fourth proportional to 186,629.16, 279,957.78 and 53,508.36 is: 80,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,629.16 : 279,957.78 = 53,508.36 : x
  2. Step 2: Convert to fraction form
    186,629.16/279,957.78 = 53,508.36/x
  3. Step 3: Cross multiply
    186,629.16x = 279,957.78 × 53,508.36
  4. Step 4: Simplify right side
    186,629.16x = 14,980,081,677.04
  5. Step 5: Solve for x
    x = 14,980,081,677.04/186,629.16
  6. Step 6: Final answer
    x = 80,266.57

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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.