Home / 319,461.26-440,857.77-176,219.24

Finding the Fourth Proportional to 319,461.26, 440,857.77 and 176,219.24

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Solution

The fourth proportional to 319,461.26, 440,857.77 and 176,219.24 is: 243,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,461.26 : 440,857.77 = 176,219.24 : x
  2. Step 2: Convert to fraction form
    319,461.26/440,857.77 = 176,219.24/x
  3. Step 3: Cross multiply
    319,461.26x = 440,857.77 × 176,219.24
  4. Step 4: Simplify right side
    319,461.26x = 77,687,621,177.49
  5. Step 5: Solve for x
    x = 77,687,621,177.49/319,461.26
  6. Step 6: Final answer
    x = 243,183.23

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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.