Home / 186,686.47-279,817.77-164,153.53

Finding the Fourth Proportional to 186,686.47, 279,817.77 and 164,153.53

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Solution

The fourth proportional to 186,686.47, 279,817.77 and 164,153.53 is: 246,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,686.47 : 279,817.77 = 164,153.53 : x
  2. Step 2: Convert to fraction form
    186,686.47/279,817.77 = 164,153.53/x
  3. Step 3: Cross multiply
    186,686.47x = 279,817.77 × 164,153.53
  4. Step 4: Simplify right side
    186,686.47x = 45,933,075,884.45
  5. Step 5: Solve for x
    x = 45,933,075,884.45/186,686.47
  6. Step 6: Final answer
    x = 246,043.95

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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.