Home / 194,612.20-291,918.30-106,038.70

Finding the Fourth Proportional to 194,612.20, 291,918.30 and 106,038.70

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Solution

The fourth proportional to 194,612.20, 291,918.30 and 106,038.70 is: 159,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,612.20 : 291,918.30 = 106,038.70 : x
  2. Step 2: Convert to fraction form
    194,612.20/291,918.30 = 106,038.70/x
  3. Step 3: Cross multiply
    194,612.20x = 291,918.30 × 106,038.70
  4. Step 4: Simplify right side
    194,612.20x = 30,954,637,038.21
  5. Step 5: Solve for x
    x = 30,954,637,038.21/194,612.20
  6. Step 6: Final answer
    x = 159,058.05

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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.