Home / 401,705.44-602,555.40-102,183.28

Finding the Fourth Proportional to 401,705.44, 602,555.40 and 102,183.28

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Solution

The fourth proportional to 401,705.44, 602,555.40 and 102,183.28 is: 153,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,705.44 : 602,555.40 = 102,183.28 : x
  2. Step 2: Convert to fraction form
    401,705.44/602,555.40 = 102,183.28/x
  3. Step 3: Cross multiply
    401,705.44x = 602,555.40 × 102,183.28
  4. Step 4: Simplify right side
    401,705.44x = 61,571,087,153.71
  5. Step 5: Solve for x
    x = 61,571,087,153.71/401,705.44
  6. Step 6: Final answer
    x = 153,274.22

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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.