Home / 122,009.42-182,775.78-84,051.98

Finding the Fourth Proportional to 122,009.42, 182,775.78 and 84,051.98

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Solution

The fourth proportional to 122,009.42, 182,775.78 and 84,051.98 is: 125,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,009.42 : 182,775.78 = 84,051.98 : x
  2. Step 2: Convert to fraction form
    122,009.42/182,775.78 = 84,051.98/x
  3. Step 3: Cross multiply
    122,009.42x = 182,775.78 × 84,051.98
  4. Step 4: Simplify right side
    122,009.42x = 15,362,666,205.04
  5. Step 5: Solve for x
    x = 15,362,666,205.04/122,009.42
  6. Step 6: Final answer
    x = 125,913.77

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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.