Home / 216,929.40-325,364.10-67,272.60

Finding the Fourth Proportional to 216,929.40, 325,364.10 and 67,272.60

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Solution

The fourth proportional to 216,929.40, 325,364.10 and 67,272.60 is: 100,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,929.40 : 325,364.10 = 67,272.60 : x
  2. Step 2: Convert to fraction form
    216,929.40/325,364.10 = 67,272.60/x
  3. Step 3: Cross multiply
    216,929.40x = 325,364.10 × 67,272.60
  4. Step 4: Simplify right side
    216,929.40x = 21,888,088,953.66
  5. Step 5: Solve for x
    x = 21,888,088,953.66/216,929.40
  6. Step 6: Final answer
    x = 100,899.60

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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.