Home / 218,226.10-301,106.84-127,564.54

Finding the Fourth Proportional to 218,226.10, 301,106.84 and 127,564.54

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Solution

The fourth proportional to 218,226.10, 301,106.84 and 127,564.54 is: 176,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,226.10 : 301,106.84 = 127,564.54 : x
  2. Step 2: Convert to fraction form
    218,226.10/301,106.84 = 127,564.54/x
  3. Step 3: Cross multiply
    218,226.10x = 301,106.84 × 127,564.54
  4. Step 4: Simplify right side
    218,226.10x = 38,410,555,535.45
  5. Step 5: Solve for x
    x = 38,410,555,535.45/218,226.10
  6. Step 6: Final answer
    x = 176,012.66

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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.