Home / 199,312.18-275,040.37-113,259.65

Finding the Fourth Proportional to 199,312.18, 275,040.37 and 113,259.65

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Solution

The fourth proportional to 199,312.18, 275,040.37 and 113,259.65 is: 156,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,312.18 : 275,040.37 = 113,259.65 : x
  2. Step 2: Convert to fraction form
    199,312.18/275,040.37 = 113,259.65/x
  3. Step 3: Cross multiply
    199,312.18x = 275,040.37 × 113,259.65
  4. Step 4: Simplify right side
    199,312.18x = 31,150,976,042.07
  5. Step 5: Solve for x
    x = 31,150,976,042.07/199,312.18
  6. Step 6: Final answer
    x = 156,292.39

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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.