Home / 197,064.40-295,612.86-84,747.28

Finding the Fourth Proportional to 197,064.40, 295,612.86 and 84,747.28

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Solution

The fourth proportional to 197,064.40, 295,612.86 and 84,747.28 is: 127,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,064.40 : 295,612.86 = 84,747.28 : x
  2. Step 2: Convert to fraction form
    197,064.40/295,612.86 = 84,747.28/x
  3. Step 3: Cross multiply
    197,064.40x = 295,612.86 × 84,747.28
  4. Step 4: Simplify right side
    197,064.40x = 25,052,385,818.02
  5. Step 5: Solve for x
    x = 25,052,385,818.02/197,064.40
  6. Step 6: Final answer
    x = 127,127.91

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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.