Home / 186,090.90-279,136.35-97,371.60

Finding the Fourth Proportional to 186,090.90, 279,136.35 and 97,371.60

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Solution

The fourth proportional to 186,090.90, 279,136.35 and 97,371.60 is: 146,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,090.90 : 279,136.35 = 97,371.60 : x
  2. Step 2: Convert to fraction form
    186,090.90/279,136.35 = 97,371.60/x
  3. Step 3: Cross multiply
    186,090.90x = 279,136.35 × 97,371.60
  4. Step 4: Simplify right side
    186,090.90x = 27,179,953,017.66
  5. Step 5: Solve for x
    x = 27,179,953,017.66/186,090.90
  6. Step 6: Final answer
    x = 146,057.40

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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.