Home / 317,922.03-438,732.05-174,681.72

Finding the Fourth Proportional to 317,922.03, 438,732.05 and 174,681.72

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Solution

The fourth proportional to 317,922.03, 438,732.05 and 174,681.72 is: 241,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,922.03 : 438,732.05 = 174,681.72 : x
  2. Step 2: Convert to fraction form
    317,922.03/438,732.05 = 174,681.72/x
  3. Step 3: Cross multiply
    317,922.03x = 438,732.05 × 174,681.72
  4. Step 4: Simplify right side
    317,922.03x = 76,638,468,239.72
  5. Step 5: Solve for x
    x = 76,638,468,239.72/317,922.03
  6. Step 6: Final answer
    x = 241,060.58

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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.