Home / 178,742.94-246,671.91-98,172.78

Finding the Fourth Proportional to 178,742.94, 246,671.91 and 98,172.78

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Solution

The fourth proportional to 178,742.94, 246,671.91 and 98,172.78 is: 135,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,742.94 : 246,671.91 = 98,172.78 : x
  2. Step 2: Convert to fraction form
    178,742.94/246,671.91 = 98,172.78/x
  3. Step 3: Cross multiply
    178,742.94x = 246,671.91 × 98,172.78
  4. Step 4: Simplify right side
    178,742.94x = 24,216,467,152.61
  5. Step 5: Solve for x
    x = 24,216,467,152.61/178,742.94
  6. Step 6: Final answer
    x = 135,482.09

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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.