Home / 228,274.54-342,344.94-86,017.18

Finding the Fourth Proportional to 228,274.54, 342,344.94 and 86,017.18

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Solution

The fourth proportional to 228,274.54, 342,344.94 and 86,017.18 is: 129,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,274.54 : 342,344.94 = 86,017.18 : x
  2. Step 2: Convert to fraction form
    228,274.54/342,344.94 = 86,017.18/x
  3. Step 3: Cross multiply
    228,274.54x = 342,344.94 × 86,017.18
  4. Step 4: Simplify right side
    228,274.54x = 29,447,546,326.07
  5. Step 5: Solve for x
    x = 29,447,546,326.07/228,274.54
  6. Step 6: Final answer
    x = 129,000.57

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1.5x scale

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.