Home / 248,938.20-373,364.10-91,085.40

Finding the Fourth Proportional to 248,938.20, 373,364.10 and 91,085.40

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Solution

The fourth proportional to 248,938.20, 373,364.10 and 91,085.40 is: 136,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,938.20 : 373,364.10 = 91,085.40 : x
  2. Step 2: Convert to fraction form
    248,938.20/373,364.10 = 91,085.40/x
  3. Step 3: Cross multiply
    248,938.20x = 373,364.10 × 91,085.40
  4. Step 4: Simplify right side
    248,938.20x = 34,008,018,394.14
  5. Step 5: Solve for x
    x = 34,008,018,394.14/248,938.20
  6. Step 6: Final answer
    x = 136,612.29

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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.