Home / 317,024.28-475,460.91-127,485.09

Finding the Fourth Proportional to 317,024.28, 475,460.91 and 127,485.09

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Solution

The fourth proportional to 317,024.28, 475,460.91 and 127,485.09 is: 191,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,024.28 : 475,460.91 = 127,485.09 : x
  2. Step 2: Convert to fraction form
    317,024.28/475,460.91 = 127,485.09/x
  3. Step 3: Cross multiply
    317,024.28x = 475,460.91 × 127,485.09
  4. Step 4: Simplify right side
    317,024.28x = 60,614,176,902.83
  5. Step 5: Solve for x
    x = 60,614,176,902.83/317,024.28
  6. Step 6: Final answer
    x = 191,197.27

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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.