Home / 371,674.90-557,533.50-105,414.36

Finding the Fourth Proportional to 371,674.90, 557,533.50 and 105,414.36

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Solution

The fourth proportional to 371,674.90, 557,533.50 and 105,414.36 is: 158,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,674.90 : 557,533.50 = 105,414.36 : x
  2. Step 2: Convert to fraction form
    371,674.90/557,533.50 = 105,414.36/x
  3. Step 3: Cross multiply
    371,674.90x = 557,533.50 × 105,414.36
  4. Step 4: Simplify right side
    371,674.90x = 58,772,037,081.06
  5. Step 5: Solve for x
    x = 58,772,037,081.06/371,674.90
  6. Step 6: Final answer
    x = 158,127.54

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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.