Home / 148,697.63-205,176.26-84,166.55

Finding the Fourth Proportional to 148,697.63, 205,176.26 and 84,166.55

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Solution

The fourth proportional to 148,697.63, 205,176.26 and 84,166.55 is: 116,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,697.63 : 205,176.26 = 84,166.55 : x
  2. Step 2: Convert to fraction form
    148,697.63/205,176.26 = 84,166.55/x
  3. Step 3: Cross multiply
    148,697.63x = 205,176.26 × 84,166.55
  4. Step 4: Simplify right side
    148,697.63x = 17,268,977,130.64
  5. Step 5: Solve for x
    x = 17,268,977,130.64/148,697.63
  6. Step 6: Final answer
    x = 116,134.86

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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.