Home / 306,038.20-459,057.30-166,070.20

Finding the Fourth Proportional to 306,038.20, 459,057.30 and 166,070.20

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Solution

The fourth proportional to 306,038.20, 459,057.30 and 166,070.20 is: 249,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,038.20 : 459,057.30 = 166,070.20 : x
  2. Step 2: Convert to fraction form
    306,038.20/459,057.30 = 166,070.20/x
  3. Step 3: Cross multiply
    306,038.20x = 459,057.30 × 166,070.20
  4. Step 4: Simplify right side
    306,038.20x = 76,235,737,622.46
  5. Step 5: Solve for x
    x = 76,235,737,622.46/306,038.20
  6. Step 6: Final answer
    x = 249,105.30

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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.