Home / 212,084.56-292,682.30-115,294.93

Finding the Fourth Proportional to 212,084.56, 292,682.30 and 115,294.93

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Solution

The fourth proportional to 212,084.56, 292,682.30 and 115,294.93 is: 159,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,084.56 : 292,682.30 = 115,294.93 : x
  2. Step 2: Convert to fraction form
    212,084.56/292,682.30 = 115,294.93/x
  3. Step 3: Cross multiply
    212,084.56x = 292,682.30 × 115,294.93
  4. Step 4: Simplify right side
    212,084.56x = 33,744,783,982.56
  5. Step 5: Solve for x
    x = 33,744,783,982.56/212,084.56
  6. Step 6: Final answer
    x = 159,110.04

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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.