Home / 248,111.03-342,470.31-197,214.07

Finding the Fourth Proportional to 248,111.03, 342,470.31 and 197,214.07

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Solution

The fourth proportional to 248,111.03, 342,470.31 and 197,214.07 is: 272,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,111.03 : 342,470.31 = 197,214.07 : x
  2. Step 2: Convert to fraction form
    248,111.03/342,470.31 = 197,214.07/x
  3. Step 3: Cross multiply
    248,111.03x = 342,470.31 × 197,214.07
  4. Step 4: Simplify right side
    248,111.03x = 67,539,963,689.26
  5. Step 5: Solve for x
    x = 67,539,963,689.26/248,111.03
  6. Step 6: Final answer
    x = 272,216.69

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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.