Home / 171,677.40-257,516.10-162,000.60

Finding the Fourth Proportional to 171,677.40, 257,516.10 and 162,000.60

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Solution

The fourth proportional to 171,677.40, 257,516.10 and 162,000.60 is: 243,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,677.40 : 257,516.10 = 162,000.60 : x
  2. Step 2: Convert to fraction form
    171,677.40/257,516.10 = 162,000.60/x
  3. Step 3: Cross multiply
    171,677.40x = 257,516.10 × 162,000.60
  4. Step 4: Simplify right side
    171,677.40x = 41,717,762,709.66
  5. Step 5: Solve for x
    x = 41,717,762,709.66/171,677.40
  6. Step 6: Final answer
    x = 243,000.90

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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.