Home / 319,276.61-440,605.16-174,081.19

Finding the Fourth Proportional to 319,276.61, 440,605.16 and 174,081.19

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Solution

The fourth proportional to 319,276.61, 440,605.16 and 174,081.19 is: 240,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,276.61 : 440,605.16 = 174,081.19 : x
  2. Step 2: Convert to fraction form
    319,276.61/440,605.16 = 174,081.19/x
  3. Step 3: Cross multiply
    319,276.61x = 440,605.16 × 174,081.19
  4. Step 4: Simplify right side
    319,276.61x = 76,701,070,572.94
  5. Step 5: Solve for x
    x = 76,701,070,572.94/319,276.61
  6. Step 6: Final answer
    x = 240,233.92

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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.