Home / 197,048.64-295,690.72-72,402.24

Finding the Fourth Proportional to 197,048.64, 295,690.72 and 72,402.24

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Solution

The fourth proportional to 197,048.64, 295,690.72 and 72,402.24 is: 108,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,048.64 : 295,690.72 = 72,402.24 : x
  2. Step 2: Convert to fraction form
    197,048.64/295,690.72 = 72,402.24/x
  3. Step 3: Cross multiply
    197,048.64x = 295,690.72 × 72,402.24
  4. Step 4: Simplify right side
    197,048.64x = 21,408,670,475.21
  5. Step 5: Solve for x
    x = 21,408,670,475.21/197,048.64
  6. Step 6: Final answer
    x = 108,646.63

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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.