Home / 354,579.40-531,753.90-117,881.80

Finding the Fourth Proportional to 354,579.40, 531,753.90 and 117,881.80

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Solution

The fourth proportional to 354,579.40, 531,753.90 and 117,881.80 is: 176,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,579.40 : 531,753.90 = 117,881.80 : x
  2. Step 2: Convert to fraction form
    354,579.40/531,753.90 = 117,881.80/x
  3. Step 3: Cross multiply
    354,579.40x = 531,753.90 × 117,881.80
  4. Step 4: Simplify right side
    354,579.40x = 62,684,106,889.02
  5. Step 5: Solve for x
    x = 62,684,106,889.02/354,579.40
  6. Step 6: Final answer
    x = 176,784.40

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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.