Home / 330,254.37-495,255.74-140,595.03

Finding the Fourth Proportional to 330,254.37, 495,255.74 and 140,595.03

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Solution

The fourth proportional to 330,254.37, 495,255.74 and 140,595.03 is: 210,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,254.37 : 495,255.74 = 140,595.03 : x
  2. Step 2: Convert to fraction form
    330,254.37/495,255.74 = 140,595.03/x
  3. Step 3: Cross multiply
    330,254.37x = 495,255.74 × 140,595.03
  4. Step 4: Simplify right side
    330,254.37x = 69,630,494,920.00
  5. Step 5: Solve for x
    x = 69,630,494,920.00/330,254.37
  6. Step 6: Final answer
    x = 210,838.98

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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.