Home / 201,177.81-301,606.34-130,173.21

Finding the Fourth Proportional to 201,177.81, 301,606.34 and 130,173.21

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Solution

The fourth proportional to 201,177.81, 301,606.34 and 130,173.21 is: 195,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,177.81 : 301,606.34 = 130,173.21 : x
  2. Step 2: Convert to fraction form
    201,177.81/301,606.34 = 130,173.21/x
  3. Step 3: Cross multiply
    201,177.81x = 301,606.34 × 130,173.21
  4. Step 4: Simplify right side
    201,177.81x = 39,261,064,783.29
  5. Step 5: Solve for x
    x = 39,261,064,783.29/201,177.81
  6. Step 6: Final answer
    x = 195,156.04

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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.