Home / 106,765.03-147,166.05-84,068.02

Finding the Fourth Proportional to 106,765.03, 147,166.05 and 84,068.02

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Solution

The fourth proportional to 106,765.03, 147,166.05 and 84,068.02 is: 115,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,765.03 : 147,166.05 = 84,068.02 : x
  2. Step 2: Convert to fraction form
    106,765.03/147,166.05 = 84,068.02/x
  3. Step 3: Cross multiply
    106,765.03x = 147,166.05 × 84,068.02
  4. Step 4: Simplify right side
    106,765.03x = 12,371,958,434.72
  5. Step 5: Solve for x
    x = 12,371,958,434.72/106,765.03
  6. Step 6: Final answer
    x = 115,880.25

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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.