Home / 351,277.20-526,818.60-140,936.40

Finding the Fourth Proportional to 351,277.20, 526,818.60 and 140,936.40

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Solution

The fourth proportional to 351,277.20, 526,818.60 and 140,936.40 is: 211,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,277.20 : 526,818.60 = 140,936.40 : x
  2. Step 2: Convert to fraction form
    351,277.20/526,818.60 = 140,936.40/x
  3. Step 3: Cross multiply
    351,277.20x = 526,818.60 × 140,936.40
  4. Step 4: Simplify right side
    351,277.20x = 74,247,916,937.04
  5. Step 5: Solve for x
    x = 74,247,916,937.04/351,277.20
  6. Step 6: Final answer
    x = 211,365.60

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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.