Home / 122,022.95-168,393.46-70,311.54

Finding the Fourth Proportional to 122,022.95, 168,393.46 and 70,311.54

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Solution

The fourth proportional to 122,022.95, 168,393.46 and 70,311.54 is: 97,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,022.95 : 168,393.46 = 70,311.54 : x
  2. Step 2: Convert to fraction form
    122,022.95/168,393.46 = 70,311.54/x
  3. Step 3: Cross multiply
    122,022.95x = 168,393.46 × 70,311.54
  4. Step 4: Simplify right side
    122,022.95x = 11,840,002,305.00
  5. Step 5: Solve for x
    x = 11,840,002,305.00/122,022.95
  6. Step 6: Final answer
    x = 97,030.95

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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.