Home / 214,569.42-321,854.40-74,328.03

Finding the Fourth Proportional to 214,569.42, 321,854.40 and 74,328.03

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Solution

The fourth proportional to 214,569.42, 321,854.40 and 74,328.03 is: 111,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,569.42 : 321,854.40 = 74,328.03 : x
  2. Step 2: Convert to fraction form
    214,569.42/321,854.40 = 74,328.03/x
  3. Step 3: Cross multiply
    214,569.42x = 321,854.40 × 74,328.03
  4. Step 4: Simplify right side
    214,569.42x = 23,922,803,498.83
  5. Step 5: Solve for x
    x = 23,922,803,498.83/214,569.42
  6. Step 6: Final answer
    x = 111,492.14

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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.