Home / 122,150.74-168,565.09-68,437.46

Finding the Fourth Proportional to 122,150.74, 168,565.09 and 68,437.46

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Solution

The fourth proportional to 122,150.74, 168,565.09 and 68,437.46 is: 94,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,150.74 : 168,565.09 = 68,437.46 : x
  2. Step 2: Convert to fraction form
    122,150.74/168,565.09 = 68,437.46/x
  3. Step 3: Cross multiply
    122,150.74x = 168,565.09 × 68,437.46
  4. Step 4: Simplify right side
    122,150.74x = 11,536,166,604.27
  5. Step 5: Solve for x
    x = 11,536,166,604.27/122,150.74
  6. Step 6: Final answer
    x = 94,442.05

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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.