Home / 317,058.28-475,588.32-80,401.12

Finding the Fourth Proportional to 317,058.28, 475,588.32 and 80,401.12

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Solution

The fourth proportional to 317,058.28, 475,588.32 and 80,401.12 is: 120,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,058.28 : 475,588.32 = 80,401.12 : x
  2. Step 2: Convert to fraction form
    317,058.28/475,588.32 = 80,401.12/x
  3. Step 3: Cross multiply
    317,058.28x = 475,588.32 × 80,401.12
  4. Step 4: Simplify right side
    317,058.28x = 38,237,833,586.92
  5. Step 5: Solve for x
    x = 38,237,833,586.92/317,058.28
  6. Step 6: Final answer
    x = 120,601.91

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1.5x scale

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.