Home / 756,165.24-1,134,218.49-187,547.76

Finding the Fourth Proportional to 756,165.24, 1,134,218.49 and 187,547.76

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Solution

The fourth proportional to 756,165.24, 1,134,218.49 and 187,547.76 is: 281,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,165.24 : 1,134,218.49 = 187,547.76 : x
  2. Step 2: Convert to fraction form
    756,165.24/1,134,218.49 = 187,547.76/x
  3. Step 3: Cross multiply
    756,165.24x = 1,134,218.49 × 187,547.76
  4. Step 4: Simplify right side
    756,165.24x = 212,720,137,150.08
  5. Step 5: Solve for x
    x = 212,720,137,150.08/756,165.24
  6. Step 6: Final answer
    x = 281,314.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.