Home / 238,436.85-357,329.66-120,188.19

Finding the Fourth Proportional to 238,436.85, 357,329.66 and 120,188.19

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Solution

The fourth proportional to 238,436.85, 357,329.66 and 120,188.19 is: 180,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,436.85 : 357,329.66 = 120,188.19 : x
  2. Step 2: Convert to fraction form
    238,436.85/357,329.66 = 120,188.19/x
  3. Step 3: Cross multiply
    238,436.85x = 357,329.66 × 120,188.19
  4. Step 4: Simplify right side
    238,436.85x = 42,946,804,467.77
  5. Step 5: Solve for x
    x = 42,946,804,467.77/238,436.85
  6. Step 6: Final answer
    x = 180,118.15

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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.