Home / 122,152.14-168,576.89-68,454.47

Finding the Fourth Proportional to 122,152.14, 168,576.89 and 68,454.47

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Solution

The fourth proportional to 122,152.14, 168,576.89 and 68,454.47 is: 94,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,152.14 : 168,576.89 = 68,454.47 : x
  2. Step 2: Convert to fraction form
    122,152.14/168,576.89 = 68,454.47/x
  3. Step 3: Cross multiply
    122,152.14x = 168,576.89 × 68,454.47
  4. Step 4: Simplify right side
    122,152.14x = 11,539,841,738.37
  5. Step 5: Solve for x
    x = 11,539,841,738.37/122,152.14
  6. Step 6: Final answer
    x = 94,471.06

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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.