Home / 354,986.48-532,382.73-127,239.64

Finding the Fourth Proportional to 354,986.48, 532,382.73 and 127,239.64

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Solution

The fourth proportional to 354,986.48, 532,382.73 and 127,239.64 is: 190,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,986.48 : 532,382.73 = 127,239.64 : x
  2. Step 2: Convert to fraction form
    354,986.48/532,382.73 = 127,239.64/x
  3. Step 3: Cross multiply
    354,986.48x = 532,382.73 × 127,239.64
  4. Step 4: Simplify right side
    354,986.48x = 67,740,186,907.42
  5. Step 5: Solve for x
    x = 67,740,186,907.42/354,986.48
  6. Step 6: Final answer
    x = 190,824.70

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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.