Home / 319,461.83-440,865.63-174,270.11

Finding the Fourth Proportional to 319,461.83, 440,865.63 and 174,270.11

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Solution

The fourth proportional to 319,461.83, 440,865.63 and 174,270.11 is: 240,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,461.83 : 440,865.63 = 174,270.11 : x
  2. Step 2: Convert to fraction form
    319,461.83/440,865.63 = 174,270.11/x
  3. Step 3: Cross multiply
    319,461.83x = 440,865.63 × 174,270.11
  4. Step 4: Simplify right side
    319,461.83x = 76,829,699,630.99
  5. Step 5: Solve for x
    x = 76,829,699,630.99/319,461.83
  6. Step 6: Final answer
    x = 240,497.28

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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.