Home / 238,823.12-357,939.44-120,528.32

Finding the Fourth Proportional to 238,823.12, 357,939.44 and 120,528.32

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Solution

The fourth proportional to 238,823.12, 357,939.44 and 120,528.32 is: 180,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,823.12 : 357,939.44 = 120,528.32 : x
  2. Step 2: Convert to fraction form
    238,823.12/357,939.44 = 120,528.32/x
  3. Step 3: Cross multiply
    238,823.12x = 357,939.44 × 120,528.32
  4. Step 4: Simplify right side
    238,823.12x = 43,141,839,364.94
  5. Step 5: Solve for x
    x = 43,141,839,364.94/238,823.12
  6. Step 6: Final answer
    x = 180,643.48

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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.