Home / 196,533.88-271,217.67-111,655.60

Finding the Fourth Proportional to 196,533.88, 271,217.67 and 111,655.60

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Solution

The fourth proportional to 196,533.88, 271,217.67 and 111,655.60 is: 154,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,533.88 : 271,217.67 = 111,655.60 : x
  2. Step 2: Convert to fraction form
    196,533.88/271,217.67 = 111,655.60/x
  3. Step 3: Cross multiply
    196,533.88x = 271,217.67 × 111,655.60
  4. Step 4: Simplify right side
    196,533.88x = 30,282,971,674.45
  5. Step 5: Solve for x
    x = 30,282,971,674.45/196,533.88
  6. Step 6: Final answer
    x = 154,085.25

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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.