Home / 196,683.19-271,426.04-107,259.19

Finding the Fourth Proportional to 196,683.19, 271,426.04 and 107,259.19

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Solution

The fourth proportional to 196,683.19, 271,426.04 and 107,259.19 is: 148,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,683.19 : 271,426.04 = 107,259.19 : x
  2. Step 2: Convert to fraction form
    196,683.19/271,426.04 = 107,259.19/x
  3. Step 3: Cross multiply
    196,683.19x = 271,426.04 × 107,259.19
  4. Step 4: Simplify right side
    196,683.19x = 29,112,936,382.67
  5. Step 5: Solve for x
    x = 29,112,936,382.67/196,683.19
  6. Step 6: Final answer
    x = 148,019.45

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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.