Home / 349,795.40-524,741.94-172,303.88

Finding the Fourth Proportional to 349,795.40, 524,741.94 and 172,303.88

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Solution

The fourth proportional to 349,795.40, 524,741.94 and 172,303.88 is: 258,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,795.40 : 524,741.94 = 172,303.88 : x
  2. Step 2: Convert to fraction form
    349,795.40/524,741.94 = 172,303.88/x
  3. Step 3: Cross multiply
    349,795.40x = 524,741.94 × 172,303.88
  4. Step 4: Simplify right side
    349,795.40x = 90,415,072,260.73
  5. Step 5: Solve for x
    x = 90,415,072,260.73/349,795.40
  6. Step 6: Final answer
    x = 258,479.88

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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.