Home / 196,535.63-271,220.07-111,657.35

Finding the Fourth Proportional to 196,535.63, 271,220.07 and 111,657.35

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Solution

The fourth proportional to 196,535.63, 271,220.07 and 111,657.35 is: 154,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,535.63 : 271,220.07 = 111,657.35 : x
  2. Step 2: Convert to fraction form
    196,535.63/271,220.07 = 111,657.35/x
  3. Step 3: Cross multiply
    196,535.63x = 271,220.07 × 111,657.35
  4. Step 4: Simplify right side
    196,535.63x = 30,283,714,283.01
  5. Step 5: Solve for x
    x = 30,283,714,283.01/196,535.63
  6. Step 6: Final answer
    x = 154,087.65

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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.