Home / 165,731.89-248,609.99-70,869.55

Finding the Fourth Proportional to 165,731.89, 248,609.99 and 70,869.55

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Solution

The fourth proportional to 165,731.89, 248,609.99 and 70,869.55 is: 106,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,731.89 : 248,609.99 = 70,869.55 : x
  2. Step 2: Convert to fraction form
    165,731.89/248,609.99 = 70,869.55/x
  3. Step 3: Cross multiply
    165,731.89x = 248,609.99 × 70,869.55
  4. Step 4: Simplify right side
    165,731.89x = 17,618,877,762.46
  5. Step 5: Solve for x
    x = 17,618,877,762.46/165,731.89
  6. Step 6: Final answer
    x = 106,309.52

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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.