Home / 395,068.10-545,197.26-231,822.23

Finding the Fourth Proportional to 395,068.10, 545,197.26 and 231,822.23

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Solution

The fourth proportional to 395,068.10, 545,197.26 and 231,822.23 is: 319,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,068.10 : 545,197.26 = 231,822.23 : x
  2. Step 2: Convert to fraction form
    395,068.10/545,197.26 = 231,822.23/x
  3. Step 3: Cross multiply
    395,068.10x = 545,197.26 × 231,822.23
  4. Step 4: Simplify right side
    395,068.10x = 126,388,841,877.10
  5. Step 5: Solve for x
    x = 126,388,841,877.10/395,068.10
  6. Step 6: Final answer
    x = 319,916.60

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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.