Home / 103,478.06-155,908.55-93,494.41

Finding the Fourth Proportional to 103,478.06, 155,908.55 and 93,494.41

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Solution

The fourth proportional to 103,478.06, 155,908.55 and 93,494.41 is: 140,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,478.06 : 155,908.55 = 93,494.41 : x
  2. Step 2: Convert to fraction form
    103,478.06/155,908.55 = 93,494.41/x
  3. Step 3: Cross multiply
    103,478.06x = 155,908.55 × 93,494.41
  4. Step 4: Simplify right side
    103,478.06x = 14,576,577,740.17
  5. Step 5: Solve for x
    x = 14,576,577,740.17/103,478.06
  6. Step 6: Final answer
    x = 140,866.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.