Home / 156,124.32-215,446.64-92,462.72

Finding the Fourth Proportional to 156,124.32, 215,446.64 and 92,462.72

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Solution

The fourth proportional to 156,124.32, 215,446.64 and 92,462.72 is: 127,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,124.32 : 215,446.64 = 92,462.72 : x
  2. Step 2: Convert to fraction form
    156,124.32/215,446.64 = 92,462.72/x
  3. Step 3: Cross multiply
    156,124.32x = 215,446.64 × 92,462.72
  4. Step 4: Simplify right side
    156,124.32x = 19,920,782,349.26
  5. Step 5: Solve for x
    x = 19,920,782,349.26/156,124.32
  6. Step 6: Final answer
    x = 127,595.64

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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.