Home / 165,586.12-248,337.70-70,769.45

Finding the Fourth Proportional to 165,586.12, 248,337.70 and 70,769.45

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Solution

The fourth proportional to 165,586.12, 248,337.70 and 70,769.45 is: 106,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,586.12 : 248,337.70 = 70,769.45 : x
  2. Step 2: Convert to fraction form
    165,586.12/248,337.70 = 70,769.45/x
  3. Step 3: Cross multiply
    165,586.12x = 248,337.70 × 70,769.45
  4. Step 4: Simplify right side
    165,586.12x = 17,574,721,490.29
  5. Step 5: Solve for x
    x = 17,574,721,490.29/165,586.12
  6. Step 6: Final answer
    x = 106,136.44

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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.