Home / 515,175.10-772,217.25-173,293.08

Finding the Fourth Proportional to 515,175.10, 772,217.25 and 173,293.08

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Solution

The fourth proportional to 515,175.10, 772,217.25 and 173,293.08 is: 259,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,175.10 : 772,217.25 = 173,293.08 : x
  2. Step 2: Convert to fraction form
    515,175.10/772,217.25 = 173,293.08/x
  3. Step 3: Cross multiply
    515,175.10x = 772,217.25 × 173,293.08
  4. Step 4: Simplify right side
    515,175.10x = 133,819,905,681.63
  5. Step 5: Solve for x
    x = 133,819,905,681.63/515,175.10
  6. Step 6: Final answer
    x = 259,756.16

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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.