Home / 284,218.08-392,221.89-156,893.37

Finding the Fourth Proportional to 284,218.08, 392,221.89 and 156,893.37

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Solution

The fourth proportional to 284,218.08, 392,221.89 and 156,893.37 is: 216,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,218.08 : 392,221.89 = 156,893.37 : x
  2. Step 2: Convert to fraction form
    284,218.08/392,221.89 = 156,893.37/x
  3. Step 3: Cross multiply
    284,218.08x = 392,221.89 × 156,893.37
  4. Step 4: Simplify right side
    284,218.08x = 61,537,014,109.87
  5. Step 5: Solve for x
    x = 61,537,014,109.87/284,218.08
  6. Step 6: Final answer
    x = 216,513.37

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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.