Home / 364,553.12-546,826.40-115,235.20

Finding the Fourth Proportional to 364,553.12, 546,826.40 and 115,235.20

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Solution

The fourth proportional to 364,553.12, 546,826.40 and 115,235.20 is: 172,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,553.12 : 546,826.40 = 115,235.20 : x
  2. Step 2: Convert to fraction form
    364,553.12/546,826.40 = 115,235.20/x
  3. Step 3: Cross multiply
    364,553.12x = 546,826.40 × 115,235.20
  4. Step 4: Simplify right side
    364,553.12x = 63,013,649,569.28
  5. Step 5: Solve for x
    x = 63,013,649,569.28/364,553.12
  6. Step 6: Final answer
    x = 172,851.76

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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.