Home / 142,090.92-196,014.70-99,160.44

Finding the Fourth Proportional to 142,090.92, 196,014.70 and 99,160.44

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Solution

The fourth proportional to 142,090.92, 196,014.70 and 99,160.44 is: 136,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,090.92 : 196,014.70 = 99,160.44 : x
  2. Step 2: Convert to fraction form
    142,090.92/196,014.70 = 99,160.44/x
  3. Step 3: Cross multiply
    142,090.92x = 196,014.70 × 99,160.44
  4. Step 4: Simplify right side
    142,090.92x = 19,436,903,898.47
  5. Step 5: Solve for x
    x = 19,436,903,898.47/142,090.92
  6. Step 6: Final answer
    x = 136,792.02

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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.