Home / 122,096.17-168,506.63-74,377.45

Finding the Fourth Proportional to 122,096.17, 168,506.63 and 74,377.45

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Solution

The fourth proportional to 122,096.17, 168,506.63 and 74,377.45 is: 102,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,096.17 : 168,506.63 = 74,377.45 : x
  2. Step 2: Convert to fraction form
    122,096.17/168,506.63 = 74,377.45/x
  3. Step 3: Cross multiply
    122,096.17x = 168,506.63 × 74,377.45
  4. Step 4: Simplify right side
    122,096.17x = 12,533,093,447.49
  5. Step 5: Solve for x
    x = 12,533,093,447.49/122,096.17
  6. Step 6: Final answer
    x = 102,649.36

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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.