Home / 289,775.22-400,083.96-181,045.08

Finding the Fourth Proportional to 289,775.22, 400,083.96 and 181,045.08

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Solution

The fourth proportional to 289,775.22, 400,083.96 and 181,045.08 is: 249,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,775.22 : 400,083.96 = 181,045.08 : x
  2. Step 2: Convert to fraction form
    289,775.22/400,083.96 = 181,045.08/x
  3. Step 3: Cross multiply
    289,775.22x = 400,083.96 × 181,045.08
  4. Step 4: Simplify right side
    289,775.22x = 72,433,232,544.92
  5. Step 5: Solve for x
    x = 72,433,232,544.92/289,775.22
  6. Step 6: Final answer
    x = 249,963.51

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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.