Home / 137,543.30-206,246.90-48,783.50

Finding the Fourth Proportional to 137,543.30, 206,246.90 and 48,783.50

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Solution

The fourth proportional to 137,543.30, 206,246.90 and 48,783.50 is: 73,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,543.30 : 206,246.90 = 48,783.50 : x
  2. Step 2: Convert to fraction form
    137,543.30/206,246.90 = 48,783.50/x
  3. Step 3: Cross multiply
    137,543.30x = 206,246.90 × 48,783.50
  4. Step 4: Simplify right side
    137,543.30x = 10,061,445,646.15
  5. Step 5: Solve for x
    x = 10,061,445,646.15/137,543.30
  6. Step 6: Final answer
    x = 73,151.11

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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.