Home / 206,681.51-310,023.92-56,930.06

Finding the Fourth Proportional to 206,681.51, 310,023.92 and 56,930.06

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Solution

The fourth proportional to 206,681.51, 310,023.92 and 56,930.06 is: 85,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,681.51 : 310,023.92 = 56,930.06 : x
  2. Step 2: Convert to fraction form
    206,681.51/310,023.92 = 56,930.06/x
  3. Step 3: Cross multiply
    206,681.51x = 310,023.92 × 56,930.06
  4. Step 4: Simplify right side
    206,681.51x = 17,649,680,367.04
  5. Step 5: Solve for x
    x = 17,649,680,367.04/206,681.51
  6. Step 6: Final answer
    x = 85,395.55

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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.