Home / 118,872.84-178,280.10-48,772.20

Finding the Fourth Proportional to 118,872.84, 178,280.10 and 48,772.20

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Solution

The fourth proportional to 118,872.84, 178,280.10 and 48,772.20 is: 73,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,872.84 : 178,280.10 = 48,772.20 : x
  2. Step 2: Convert to fraction form
    118,872.84/178,280.10 = 48,772.20/x
  3. Step 3: Cross multiply
    118,872.84x = 178,280.10 × 48,772.20
  4. Step 4: Simplify right side
    118,872.84x = 8,695,112,693.22
  5. Step 5: Solve for x
    x = 8,695,112,693.22/118,872.84
  6. Step 6: Final answer
    x = 73,146.34

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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.