Home / 106,809.40-160,214.10-97,132.60

Finding the Fourth Proportional to 106,809.40, 160,214.10 and 97,132.60

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Solution

The fourth proportional to 106,809.40, 160,214.10 and 97,132.60 is: 145,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,809.40 : 160,214.10 = 97,132.60 : x
  2. Step 2: Convert to fraction form
    106,809.40/160,214.10 = 97,132.60/x
  3. Step 3: Cross multiply
    106,809.40x = 160,214.10 × 97,132.60
  4. Step 4: Simplify right side
    106,809.40x = 15,562,012,089.66
  5. Step 5: Solve for x
    x = 15,562,012,089.66/106,809.40
  6. Step 6: Final answer
    x = 145,698.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.