Home / 357,215.36-492,963.55-196,085.39

Finding the Fourth Proportional to 357,215.36, 492,963.55 and 196,085.39

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Solution

The fourth proportional to 357,215.36, 492,963.55 and 196,085.39 is: 270,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,215.36 : 492,963.55 = 196,085.39 : x
  2. Step 2: Convert to fraction form
    357,215.36/492,963.55 = 196,085.39/x
  3. Step 3: Cross multiply
    357,215.36x = 492,963.55 × 196,085.39
  4. Step 4: Simplify right side
    357,215.36x = 96,662,947,002.50
  5. Step 5: Solve for x
    x = 96,662,947,002.50/357,215.36
  6. Step 6: Final answer
    x = 270,601.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.