Home / 116,877.20-175,200.60-57,664.40

Finding the Fourth Proportional to 116,877.20, 175,200.60 and 57,664.40

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Solution

The fourth proportional to 116,877.20, 175,200.60 and 57,664.40 is: 86,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,877.20 : 175,200.60 = 57,664.40 : x
  2. Step 2: Convert to fraction form
    116,877.20/175,200.60 = 57,664.40/x
  3. Step 3: Cross multiply
    116,877.20x = 175,200.60 × 57,664.40
  4. Step 4: Simplify right side
    116,877.20x = 10,102,837,478.64
  5. Step 5: Solve for x
    x = 10,102,837,478.64/116,877.20
  6. Step 6: Final answer
    x = 86,439.76

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1.5x scale

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.