Home / 184,043.20-276,064.80-105,165.40

Finding the Fourth Proportional to 184,043.20, 276,064.80 and 105,165.40

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Solution

The fourth proportional to 184,043.20, 276,064.80 and 105,165.40 is: 157,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,043.20 : 276,064.80 = 105,165.40 : x
  2. Step 2: Convert to fraction form
    184,043.20/276,064.80 = 105,165.40/x
  3. Step 3: Cross multiply
    184,043.20x = 276,064.80 × 105,165.40
  4. Step 4: Simplify right side
    184,043.20x = 29,032,465,117.92
  5. Step 5: Solve for x
    x = 29,032,465,117.92/184,043.20
  6. Step 6: Final answer
    x = 157,748.10

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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.