Home / 295,688.20-443,289.30-127,337.80

Finding the Fourth Proportional to 295,688.20, 443,289.30 and 127,337.80

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Solution

The fourth proportional to 295,688.20, 443,289.30 and 127,337.80 is: 190,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,688.20 : 443,289.30 = 127,337.80 : x
  2. Step 2: Convert to fraction form
    295,688.20/443,289.30 = 127,337.80/x
  3. Step 3: Cross multiply
    295,688.20x = 443,289.30 × 127,337.80
  4. Step 4: Simplify right side
    295,688.20x = 56,447,484,225.54
  5. Step 5: Solve for x
    x = 56,447,484,225.54/295,688.20
  6. Step 6: Final answer
    x = 190,902.05

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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.