Home / 238,779.09-329,485.23-161,423.07

Finding the Fourth Proportional to 238,779.09, 329,485.23 and 161,423.07

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Solution

The fourth proportional to 238,779.09, 329,485.23 and 161,423.07 is: 222,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,779.09 : 329,485.23 = 161,423.07 : x
  2. Step 2: Convert to fraction form
    238,779.09/329,485.23 = 161,423.07/x
  3. Step 3: Cross multiply
    238,779.09x = 329,485.23 × 161,423.07
  4. Step 4: Simplify right side
    238,779.09x = 53,186,516,539.14
  5. Step 5: Solve for x
    x = 53,186,516,539.14/238,779.09
  6. Step 6: Final answer
    x = 222,743.61

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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.