Home / 238,820.12-357,934.94-120,525.32

Finding the Fourth Proportional to 238,820.12, 357,934.94 and 120,525.32

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Solution

The fourth proportional to 238,820.12, 357,934.94 and 120,525.32 is: 180,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,820.12 : 357,934.94 = 120,525.32 : x
  2. Step 2: Convert to fraction form
    238,820.12/357,934.94 = 120,525.32/x
  3. Step 3: Cross multiply
    238,820.12x = 357,934.94 × 120,525.32
  4. Step 4: Simplify right side
    238,820.12x = 43,140,223,182.68
  5. Step 5: Solve for x
    x = 43,140,223,182.68/238,820.12
  6. Step 6: Final answer
    x = 180,638.98

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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.