Home / 196,783.93-271,513.52-115,099.48

Finding the Fourth Proportional to 196,783.93, 271,513.52 and 115,099.48

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Solution

The fourth proportional to 196,783.93, 271,513.52 and 115,099.48 is: 158,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,783.93 : 271,513.52 = 115,099.48 : x
  2. Step 2: Convert to fraction form
    196,783.93/271,513.52 = 115,099.48/x
  3. Step 3: Cross multiply
    196,783.93x = 271,513.52 × 115,099.48
  4. Step 4: Simplify right side
    196,783.93x = 31,251,064,389.47
  5. Step 5: Solve for x
    x = 31,251,064,389.47/196,783.93
  6. Step 6: Final answer
    x = 158,809.03

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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.