Home / 319,860.36-441,404.37-176,617.26

Finding the Fourth Proportional to 319,860.36, 441,404.37 and 176,617.26

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Solution

The fourth proportional to 319,860.36, 441,404.37 and 176,617.26 is: 243,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,860.36 : 441,404.37 = 176,617.26 : x
  2. Step 2: Convert to fraction form
    319,860.36/441,404.37 = 176,617.26/x
  3. Step 3: Cross multiply
    319,860.36x = 441,404.37 × 176,617.26
  4. Step 4: Simplify right side
    319,860.36x = 77,959,630,381.43
  5. Step 5: Solve for x
    x = 77,959,630,381.43/319,860.36
  6. Step 6: Final answer
    x = 243,730.20

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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.