Home / 191,210.88-263,840.48-106,328.56

Finding the Fourth Proportional to 191,210.88, 263,840.48 and 106,328.56

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Solution

The fourth proportional to 191,210.88, 263,840.48 and 106,328.56 is: 146,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,210.88 : 263,840.48 = 106,328.56 : x
  2. Step 2: Convert to fraction form
    191,210.88/263,840.48 = 106,328.56/x
  3. Step 3: Cross multiply
    191,210.88x = 263,840.48 × 106,328.56
  4. Step 4: Simplify right side
    191,210.88x = 28,053,778,308.11
  5. Step 5: Solve for x
    x = 28,053,778,308.11/191,210.88
  6. Step 6: Final answer
    x = 146,716.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.