Home / 248,113-342,395.94-134,938.18

Finding the Fourth Proportional to 248,113, 342,395.94 and 134,938.18

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Solution

The fourth proportional to 248,113, 342,395.94 and 134,938.18 is: 186,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,113 : 342,395.94 = 134,938.18 : x
  2. Step 2: Convert to fraction form
    248,113/342,395.94 = 134,938.18/x
  3. Step 3: Cross multiply
    248,113x = 342,395.94 × 134,938.18
  4. Step 4: Simplify right side
    248,113x = 46,202,284,982.99
  5. Step 5: Solve for x
    x = 46,202,284,982.99/248,113
  6. Step 6: Final answer
    x = 186,214.69

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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.