Home / 385,827.12-532,426.50-216,052.56

Finding the Fourth Proportional to 385,827.12, 532,426.50 and 216,052.56

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Solution

The fourth proportional to 385,827.12, 532,426.50 and 216,052.56 is: 298,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,827.12 : 532,426.50 = 216,052.56 : x
  2. Step 2: Convert to fraction form
    385,827.12/532,426.50 = 216,052.56/x
  3. Step 3: Cross multiply
    385,827.12x = 532,426.50 × 216,052.56
  4. Step 4: Simplify right side
    385,827.12x = 115,032,108,336.84
  5. Step 5: Solve for x
    x = 115,032,108,336.84/385,827.12
  6. Step 6: Final answer
    x = 298,144.17

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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.