Home / 272,783.08-376,428.90-197,200.36

Finding the Fourth Proportional to 272,783.08, 376,428.90 and 197,200.36

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Solution

The fourth proportional to 272,783.08, 376,428.90 and 197,200.36 is: 272,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,783.08 : 376,428.90 = 197,200.36 : x
  2. Step 2: Convert to fraction form
    272,783.08/376,428.90 = 197,200.36/x
  3. Step 3: Cross multiply
    272,783.08x = 376,428.90 × 197,200.36
  4. Step 4: Simplify right side
    272,783.08x = 74,231,914,594.40
  5. Step 5: Solve for x
    x = 74,231,914,594.40/272,783.08
  6. Step 6: Final answer
    x = 272,128.00

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1.5x scale

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.