Home / 129,629.40-194,444.10-118,548.60

Finding the Fourth Proportional to 129,629.40, 194,444.10 and 118,548.60

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Solution

The fourth proportional to 129,629.40, 194,444.10 and 118,548.60 is: 177,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,629.40 : 194,444.10 = 118,548.60 : x
  2. Step 2: Convert to fraction form
    129,629.40/194,444.10 = 118,548.60/x
  3. Step 3: Cross multiply
    129,629.40x = 194,444.10 × 118,548.60
  4. Step 4: Simplify right side
    129,629.40x = 23,051,075,833.26
  5. Step 5: Solve for x
    x = 23,051,075,833.26/129,629.40
  6. Step 6: Final answer
    x = 177,822.90

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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.