Home / 173,256.56-239,114.80-105,284.64

Finding the Fourth Proportional to 173,256.56, 239,114.80 and 105,284.64

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Solution

The fourth proportional to 173,256.56, 239,114.80 and 105,284.64 is: 145,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,256.56 : 239,114.80 = 105,284.64 : x
  2. Step 2: Convert to fraction form
    173,256.56/239,114.80 = 105,284.64/x
  3. Step 3: Cross multiply
    173,256.56x = 239,114.80 × 105,284.64
  4. Step 4: Simplify right side
    173,256.56x = 25,175,115,636.67
  5. Step 5: Solve for x
    x = 25,175,115,636.67/173,256.56
  6. Step 6: Final answer
    x = 145,305.41

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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.