Home / 141,509.85-212,258.70-48,015.60

Finding the Fourth Proportional to 141,509.85, 212,258.70 and 48,015.60

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Solution

The fourth proportional to 141,509.85, 212,258.70 and 48,015.60 is: 72,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,509.85 : 212,258.70 = 48,015.60 : x
  2. Step 2: Convert to fraction form
    141,509.85/212,258.70 = 48,015.60/x
  3. Step 3: Cross multiply
    141,509.85x = 212,258.70 × 48,015.60
  4. Step 4: Simplify right side
    141,509.85x = 10,191,728,835.72
  5. Step 5: Solve for x
    x = 10,191,728,835.72/141,509.85
  6. Step 6: Final answer
    x = 72,021.34

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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.