Home / 168,914.40-253,371.60-155,136.30

Finding the Fourth Proportional to 168,914.40, 253,371.60 and 155,136.30

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Solution

The fourth proportional to 168,914.40, 253,371.60 and 155,136.30 is: 232,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,914.40 : 253,371.60 = 155,136.30 : x
  2. Step 2: Convert to fraction form
    168,914.40/253,371.60 = 155,136.30/x
  3. Step 3: Cross multiply
    168,914.40x = 253,371.60 × 155,136.30
  4. Step 4: Simplify right side
    168,914.40x = 39,307,132,549.08
  5. Step 5: Solve for x
    x = 39,307,132,549.08/168,914.40
  6. Step 6: Final answer
    x = 232,704.45

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1.5x scale

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.