Home / 196,301.65-293,871.21-121,180.25

Finding the Fourth Proportional to 196,301.65, 293,871.21 and 121,180.25

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Solution

The fourth proportional to 196,301.65, 293,871.21 and 121,180.25 is: 181,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,301.65 : 293,871.21 = 121,180.25 : x
  2. Step 2: Convert to fraction form
    196,301.65/293,871.21 = 121,180.25/x
  3. Step 3: Cross multiply
    196,301.65x = 293,871.21 × 121,180.25
  4. Step 4: Simplify right side
    196,301.65x = 35,611,386,695.60
  5. Step 5: Solve for x
    x = 35,611,386,695.60/196,301.65
  6. Step 6: Final answer
    x = 181,411.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.