Home / 212,911.35-319,433.55-63,152.48

Finding the Fourth Proportional to 212,911.35, 319,433.55 and 63,152.48

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Solution

The fourth proportional to 212,911.35, 319,433.55 and 63,152.48 is: 94,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,911.35 : 319,433.55 = 63,152.48 : x
  2. Step 2: Convert to fraction form
    212,911.35/319,433.55 = 63,152.48/x
  3. Step 3: Cross multiply
    212,911.35x = 319,433.55 × 63,152.48
  4. Step 4: Simplify right side
    212,911.35x = 20,173,019,280.54
  5. Step 5: Solve for x
    x = 20,173,019,280.54/212,911.35
  6. Step 6: Final answer
    x = 94,748.44

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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.