Home / 186,293.48-279,356.18-53,142.03

Finding the Fourth Proportional to 186,293.48, 279,356.18 and 53,142.03

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Solution

The fourth proportional to 186,293.48, 279,356.18 and 53,142.03 is: 79,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,293.48 : 279,356.18 = 53,142.03 : x
  2. Step 2: Convert to fraction form
    186,293.48/279,356.18 = 53,142.03/x
  3. Step 3: Cross multiply
    186,293.48x = 279,356.18 × 53,142.03
  4. Step 4: Simplify right side
    186,293.48x = 14,845,554,232.54
  5. Step 5: Solve for x
    x = 14,845,554,232.54/186,293.48
  6. Step 6: Final answer
    x = 79,689.07

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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.