Home / 321,921.88-444,307.21-185,931.38

Finding the Fourth Proportional to 321,921.88, 444,307.21 and 185,931.38

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Solution

The fourth proportional to 321,921.88, 444,307.21 and 185,931.38 is: 256,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,921.88 : 444,307.21 = 185,931.38 : x
  2. Step 2: Convert to fraction form
    321,921.88/444,307.21 = 185,931.38/x
  3. Step 3: Cross multiply
    321,921.88x = 444,307.21 × 185,931.38
  4. Step 4: Simplify right side
    321,921.88x = 82,610,653,345.19
  5. Step 5: Solve for x
    x = 82,610,653,345.19/321,921.88
  6. Step 6: Final answer
    x = 256,617.08

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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.