Home / 123,429.61-185,150.74-34,690.03

Finding the Fourth Proportional to 123,429.61, 185,150.74 and 34,690.03

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Solution

The fourth proportional to 123,429.61, 185,150.74 and 34,690.03 is: 52,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,429.61 : 185,150.74 = 34,690.03 : x
  2. Step 2: Convert to fraction form
    123,429.61/185,150.74 = 34,690.03/x
  3. Step 3: Cross multiply
    123,429.61x = 185,150.74 × 34,690.03
  4. Step 4: Simplify right side
    123,429.61x = 6,422,885,444.84
  5. Step 5: Solve for x
    x = 6,422,885,444.84/123,429.61
  6. Step 6: Final answer
    x = 52,036.83

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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.