Home / 196,264.50-270,880.35-115,687.26

Finding the Fourth Proportional to 196,264.50, 270,880.35 and 115,687.26

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Solution

The fourth proportional to 196,264.50, 270,880.35 and 115,687.26 is: 159,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,264.50 : 270,880.35 = 115,687.26 : x
  2. Step 2: Convert to fraction form
    196,264.50/270,880.35 = 115,687.26/x
  3. Step 3: Cross multiply
    196,264.50x = 270,880.35 × 115,687.26
  4. Step 4: Simplify right side
    196,264.50x = 31,337,405,479.34
  5. Step 5: Solve for x
    x = 31,337,405,479.34/196,264.50
  6. Step 6: Final answer
    x = 159,669.25

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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.