Home / 186,334.71-257,136.28-103,548.41

Finding the Fourth Proportional to 186,334.71, 257,136.28 and 103,548.41

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Solution

The fourth proportional to 186,334.71, 257,136.28 and 103,548.41 is: 142,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,334.71 : 257,136.28 = 103,548.41 : x
  2. Step 2: Convert to fraction form
    186,334.71/257,136.28 = 103,548.41/x
  3. Step 3: Cross multiply
    186,334.71x = 257,136.28 × 103,548.41
  4. Step 4: Simplify right side
    186,334.71x = 26,626,051,143.89
  5. Step 5: Solve for x
    x = 26,626,051,143.89/186,334.71
  6. Step 6: Final answer
    x = 142,893.68

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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.