Home / 196,666.98-271,323.18-121,084.26

Finding the Fourth Proportional to 196,666.98, 271,323.18 and 121,084.26

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Solution

The fourth proportional to 196,666.98, 271,323.18 and 121,084.26 is: 167,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,666.98 : 271,323.18 = 121,084.26 : x
  2. Step 2: Convert to fraction form
    196,666.98/271,323.18 = 121,084.26/x
  3. Step 3: Cross multiply
    196,666.98x = 271,323.18 × 121,084.26
  4. Step 4: Simplify right side
    196,666.98x = 32,852,966,471.15
  5. Step 5: Solve for x
    x = 32,852,966,471.15/196,666.98
  6. Step 6: Final answer
    x = 167,048.72

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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.