Home / 554,101.16-831,198.90-174,920.45

Finding the Fourth Proportional to 554,101.16, 831,198.90 and 174,920.45

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Solution

The fourth proportional to 554,101.16, 831,198.90 and 174,920.45 is: 262,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,101.16 : 831,198.90 = 174,920.45 : x
  2. Step 2: Convert to fraction form
    554,101.16/831,198.90 = 174,920.45/x
  3. Step 3: Cross multiply
    554,101.16x = 831,198.90 × 174,920.45
  4. Step 4: Simplify right side
    554,101.16x = 145,393,685,627.51
  5. Step 5: Solve for x
    x = 145,393,685,627.51/554,101.16
  6. Step 6: Final answer
    x = 262,395.56

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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.