Home / 218,614.08-301,827-178,423.92

Finding the Fourth Proportional to 218,614.08, 301,827 and 178,423.92

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Solution

The fourth proportional to 218,614.08, 301,827 and 178,423.92 is: 246,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,614.08 : 301,827 = 178,423.92 : x
  2. Step 2: Convert to fraction form
    218,614.08/301,827 = 178,423.92/x
  3. Step 3: Cross multiply
    218,614.08x = 301,827 × 178,423.92
  4. Step 4: Simplify right side
    218,614.08x = 53,853,156,501.84
  5. Step 5: Solve for x
    x = 53,853,156,501.84/218,614.08
  6. Step 6: Final answer
    x = 246,338.92

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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.