Home / 319,027.45-440,254.35-181,205.44

Finding the Fourth Proportional to 319,027.45, 440,254.35 and 181,205.44

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Solution

The fourth proportional to 319,027.45, 440,254.35 and 181,205.44 is: 250,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,027.45 : 440,254.35 = 181,205.44 : x
  2. Step 2: Convert to fraction form
    319,027.45/440,254.35 = 181,205.44/x
  3. Step 3: Cross multiply
    319,027.45x = 440,254.35 × 181,205.44
  4. Step 4: Simplify right side
    319,027.45x = 79,776,483,203.66
  5. Step 5: Solve for x
    x = 79,776,483,203.66/319,027.45
  6. Step 6: Final answer
    x = 250,061.50

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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.