Home / 335,979.40-503,645.10-193,678.60

Finding the Fourth Proportional to 335,979.40, 503,645.10 and 193,678.60

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Solution

The fourth proportional to 335,979.40, 503,645.10 and 193,678.60 is: 290,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,979.40 : 503,645.10 = 193,678.60 : x
  2. Step 2: Convert to fraction form
    335,979.40/503,645.10 = 193,678.60/x
  3. Step 3: Cross multiply
    335,979.40x = 503,645.10 × 193,678.60
  4. Step 4: Simplify right side
    335,979.40x = 97,545,277,864.86
  5. Step 5: Solve for x
    x = 97,545,277,864.86/335,979.40
  6. Step 6: Final answer
    x = 290,331.13

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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.