Home / 111,192.72-166,790.50-36,312.28

Finding the Fourth Proportional to 111,192.72, 166,790.50 and 36,312.28

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Solution

The fourth proportional to 111,192.72, 166,790.50 and 36,312.28 is: 54,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,192.72 : 166,790.50 = 36,312.28 : x
  2. Step 2: Convert to fraction form
    111,192.72/166,790.50 = 36,312.28/x
  3. Step 3: Cross multiply
    111,192.72x = 166,790.50 × 36,312.28
  4. Step 4: Simplify right side
    111,192.72x = 6,056,543,337.34
  5. Step 5: Solve for x
    x = 6,056,543,337.34/111,192.72
  6. Step 6: Final answer
    x = 54,468.88

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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.