Home / 165,053.37-227,779.11-93,431.91

Finding the Fourth Proportional to 165,053.37, 227,779.11 and 93,431.91

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Solution

The fourth proportional to 165,053.37, 227,779.11 and 93,431.91 is: 128,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,053.37 : 227,779.11 = 93,431.91 : x
  2. Step 2: Convert to fraction form
    165,053.37/227,779.11 = 93,431.91/x
  3. Step 3: Cross multiply
    165,053.37x = 227,779.11 × 93,431.91
  4. Step 4: Simplify right side
    165,053.37x = 21,281,837,305.40
  5. Step 5: Solve for x
    x = 21,281,837,305.40/165,053.37
  6. Step 6: Final answer
    x = 128,939.13

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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.