Home / 156,311.46-215,685.44-92,638.98

Finding the Fourth Proportional to 156,311.46, 215,685.44 and 92,638.98

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Solution

The fourth proportional to 156,311.46, 215,685.44 and 92,638.98 is: 127,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,311.46 : 215,685.44 = 92,638.98 : x
  2. Step 2: Convert to fraction form
    156,311.46/215,685.44 = 92,638.98/x
  3. Step 3: Cross multiply
    156,311.46x = 215,685.44 × 92,638.98
  4. Step 4: Simplify right side
    156,311.46x = 19,980,879,162.45
  5. Step 5: Solve for x
    x = 19,980,879,162.45/156,311.46
  6. Step 6: Final answer
    x = 127,827.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.