Home / 237,618.40-355,930.80-111,366.40

Finding the Fourth Proportional to 237,618.40, 355,930.80 and 111,366.40

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Solution

The fourth proportional to 237,618.40, 355,930.80 and 111,366.40 is: 166,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,618.40 : 355,930.80 = 111,366.40 : x
  2. Step 2: Convert to fraction form
    237,618.40/355,930.80 = 111,366.40/x
  3. Step 3: Cross multiply
    237,618.40x = 355,930.80 × 111,366.40
  4. Step 4: Simplify right side
    237,618.40x = 39,638,731,845.12
  5. Step 5: Solve for x
    x = 39,638,731,845.12/237,618.40
  6. Step 6: Final answer
    x = 166,816.76

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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.