Home / 366,919.13-550,461.32-130,261.43

Finding the Fourth Proportional to 366,919.13, 550,461.32 and 130,261.43

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Solution

The fourth proportional to 366,919.13, 550,461.32 and 130,261.43 is: 195,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,919.13 : 550,461.32 = 130,261.43 : x
  2. Step 2: Convert to fraction form
    366,919.13/550,461.32 = 130,261.43/x
  3. Step 3: Cross multiply
    366,919.13x = 550,461.32 × 130,261.43
  4. Step 4: Simplify right side
    366,919.13x = 71,703,878,702.89
  5. Step 5: Solve for x
    x = 71,703,878,702.89/366,919.13
  6. Step 6: Final answer
    x = 195,421.48

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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.