Home / 124,094.38-186,235.80-90,900.58

Finding the Fourth Proportional to 124,094.38, 186,235.80 and 90,900.58

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Solution

The fourth proportional to 124,094.38, 186,235.80 and 90,900.58 is: 136,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,094.38 : 186,235.80 = 90,900.58 : x
  2. Step 2: Convert to fraction form
    124,094.38/186,235.80 = 90,900.58/x
  3. Step 3: Cross multiply
    124,094.38x = 186,235.80 × 90,900.58
  4. Step 4: Simplify right side
    124,094.38x = 16,928,942,236.76
  5. Step 5: Solve for x
    x = 16,928,942,236.76/124,094.38
  6. Step 6: Final answer
    x = 136,419.89

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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.