Home / 319,565.38-440,999.91-176,325.43

Finding the Fourth Proportional to 319,565.38, 440,999.91 and 176,325.43

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Solution

The fourth proportional to 319,565.38, 440,999.91 and 176,325.43 is: 243,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,565.38 : 440,999.91 = 176,325.43 : x
  2. Step 2: Convert to fraction form
    319,565.38/440,999.91 = 176,325.43/x
  3. Step 3: Cross multiply
    319,565.38x = 440,999.91 × 176,325.43
  4. Step 4: Simplify right side
    319,565.38x = 77,759,498,760.71
  5. Step 5: Solve for x
    x = 77,759,498,760.71/319,565.38
  6. Step 6: Final answer
    x = 243,328.92

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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.