Home / 233,321.64-321,981.06-132,719.40

Finding the Fourth Proportional to 233,321.64, 321,981.06 and 132,719.40

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Solution

The fourth proportional to 233,321.64, 321,981.06 and 132,719.40 is: 183,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,321.64 : 321,981.06 = 132,719.40 : x
  2. Step 2: Convert to fraction form
    233,321.64/321,981.06 = 132,719.40/x
  3. Step 3: Cross multiply
    233,321.64x = 321,981.06 × 132,719.40
  4. Step 4: Simplify right side
    233,321.64x = 42,733,133,094.56
  5. Step 5: Solve for x
    x = 42,733,133,094.56/233,321.64
  6. Step 6: Final answer
    x = 183,151.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.