Home / 122,278.41-183,146.63-93,990.15

Finding the Fourth Proportional to 122,278.41, 183,146.63 and 93,990.15

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Solution

The fourth proportional to 122,278.41, 183,146.63 and 93,990.15 is: 140,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,278.41 : 183,146.63 = 93,990.15 : x
  2. Step 2: Convert to fraction form
    122,278.41/183,146.63 = 93,990.15/x
  3. Step 3: Cross multiply
    122,278.41x = 183,146.63 × 93,990.15
  4. Step 4: Simplify right side
    122,278.41x = 17,213,978,755.74
  5. Step 5: Solve for x
    x = 17,213,978,755.74/122,278.41
  6. Step 6: Final answer
    x = 140,776.93

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1.5x scale

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.