Home / 186,822.30-279,905.40-153,361.20

Finding the Fourth Proportional to 186,822.30, 279,905.40 and 153,361.20

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Solution

The fourth proportional to 186,822.30, 279,905.40 and 153,361.20 is: 229,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,822.30 : 279,905.40 = 153,361.20 : x
  2. Step 2: Convert to fraction form
    186,822.30/279,905.40 = 153,361.20/x
  3. Step 3: Cross multiply
    186,822.30x = 279,905.40 × 153,361.20
  4. Step 4: Simplify right side
    186,822.30x = 42,926,628,030.48
  5. Step 5: Solve for x
    x = 42,926,628,030.48/186,822.30
  6. Step 6: Final answer
    x = 229,772.51

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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.