Home / 319,014.66-440,325.13-188,307.24

Finding the Fourth Proportional to 319,014.66, 440,325.13 and 188,307.24

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Solution

The fourth proportional to 319,014.66, 440,325.13 and 188,307.24 is: 259,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,014.66 : 440,325.13 = 188,307.24 : x
  2. Step 2: Convert to fraction form
    319,014.66/440,325.13 = 188,307.24/x
  3. Step 3: Cross multiply
    319,014.66x = 440,325.13 × 188,307.24
  4. Step 4: Simplify right side
    319,014.66x = 82,916,408,164.03
  5. Step 5: Solve for x
    x = 82,916,408,164.03/319,014.66
  6. Step 6: Final answer
    x = 259,914.10

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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.