Home / 218,614.12-301,826.78-178,423.74

Finding the Fourth Proportional to 218,614.12, 301,826.78 and 178,423.74

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Solution

The fourth proportional to 218,614.12, 301,826.78 and 178,423.74 is: 246,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,614.12 : 301,826.78 = 178,423.74 : x
  2. Step 2: Convert to fraction form
    218,614.12/301,826.78 = 178,423.74/x
  3. Step 3: Cross multiply
    218,614.12x = 301,826.78 × 178,423.74
  4. Step 4: Simplify right side
    218,614.12x = 53,853,062,782.21
  5. Step 5: Solve for x
    x = 53,853,062,782.21/218,614.12
  6. Step 6: Final answer
    x = 246,338.45

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1.5x scale

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.