Home / 369,991.35-554,924.43-103,690.58

Finding the Fourth Proportional to 369,991.35, 554,924.43 and 103,690.58

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Solution

The fourth proportional to 369,991.35, 554,924.43 and 103,690.58 is: 155,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,991.35 : 554,924.43 = 103,690.58 : x
  2. Step 2: Convert to fraction form
    369,991.35/554,924.43 = 103,690.58/x
  3. Step 3: Cross multiply
    369,991.35x = 554,924.43 × 103,690.58
  4. Step 4: Simplify right side
    369,991.35x = 57,540,433,228.25
  5. Step 5: Solve for x
    x = 57,540,433,228.25/369,991.35
  6. Step 6: Final answer
    x = 155,518.32

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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.