Home / 156,542.06-215,929.72-92,834.76

Finding the Fourth Proportional to 156,542.06, 215,929.72 and 92,834.76

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Solution

The fourth proportional to 156,542.06, 215,929.72 and 92,834.76 is: 128,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,542.06 : 215,929.72 = 92,834.76 : x
  2. Step 2: Convert to fraction form
    156,542.06/215,929.72 = 92,834.76/x
  3. Step 3: Cross multiply
    156,542.06x = 215,929.72 × 92,834.76
  4. Step 4: Simplify right side
    156,542.06x = 20,045,783,733.07
  5. Step 5: Solve for x
    x = 20,045,783,733.07/156,542.06
  6. Step 6: Final answer
    x = 128,053.66

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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.