Home / 186,266.51-279,410.09-53,136.53

Finding the Fourth Proportional to 186,266.51, 279,410.09 and 53,136.53

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Solution

The fourth proportional to 186,266.51, 279,410.09 and 53,136.53 is: 79,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,266.51 : 279,410.09 = 53,136.53 : x
  2. Step 2: Convert to fraction form
    186,266.51/279,410.09 = 53,136.53/x
  3. Step 3: Cross multiply
    186,266.51x = 279,410.09 × 53,136.53
  4. Step 4: Simplify right side
    186,266.51x = 14,846,880,966.85
  5. Step 5: Solve for x
    x = 14,846,880,966.85/186,266.51
  6. Step 6: Final answer
    x = 79,707.73

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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.