Home / 196,431.80-271,077.77-111,549.47

Finding the Fourth Proportional to 196,431.80, 271,077.77 and 111,549.47

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Solution

The fourth proportional to 196,431.80, 271,077.77 and 111,549.47 is: 153,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,431.80 : 271,077.77 = 111,549.47 : x
  2. Step 2: Convert to fraction form
    196,431.80/271,077.77 = 111,549.47/x
  3. Step 3: Cross multiply
    196,431.80x = 271,077.77 × 111,549.47
  4. Step 4: Simplify right side
    196,431.80x = 30,238,580,495.77
  5. Step 5: Solve for x
    x = 30,238,580,495.77/196,431.80
  6. Step 6: Final answer
    x = 153,939.34

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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.