Home / 197,136.40-295,315.80-118,015.60

Finding the Fourth Proportional to 197,136.40, 295,315.80 and 118,015.60

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Solution

The fourth proportional to 197,136.40, 295,315.80 and 118,015.60 is: 176,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,136.40 : 295,315.80 = 118,015.60 : x
  2. Step 2: Convert to fraction form
    197,136.40/295,315.80 = 118,015.60/x
  3. Step 3: Cross multiply
    197,136.40x = 295,315.80 × 118,015.60
  4. Step 4: Simplify right side
    197,136.40x = 34,851,871,326.48
  5. Step 5: Solve for x
    x = 34,851,871,326.48/197,136.40
  6. Step 6: Final answer
    x = 176,790.65

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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.