Home / 168,926.40-253,389.60-155,148.30

Finding the Fourth Proportional to 168,926.40, 253,389.60 and 155,148.30

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Solution

The fourth proportional to 168,926.40, 253,389.60 and 155,148.30 is: 232,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,926.40 : 253,389.60 = 155,148.30 : x
  2. Step 2: Convert to fraction form
    168,926.40/253,389.60 = 155,148.30/x
  3. Step 3: Cross multiply
    168,926.40x = 253,389.60 × 155,148.30
  4. Step 4: Simplify right side
    168,926.40x = 39,312,965,677.68
  5. Step 5: Solve for x
    x = 39,312,965,677.68/168,926.40
  6. Step 6: Final answer
    x = 232,722.45

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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.