Home / 156,093.03-215,501.19-102,471.84

Finding the Fourth Proportional to 156,093.03, 215,501.19 and 102,471.84

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Solution

The fourth proportional to 156,093.03, 215,501.19 and 102,471.84 is: 141,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,093.03 : 215,501.19 = 102,471.84 : x
  2. Step 2: Convert to fraction form
    156,093.03/215,501.19 = 102,471.84/x
  3. Step 3: Cross multiply
    156,093.03x = 215,501.19 × 102,471.84
  4. Step 4: Simplify right side
    156,093.03x = 22,082,803,461.49
  5. Step 5: Solve for x
    x = 22,082,803,461.49/156,093.03
  6. Step 6: Final answer
    x = 141,472.07

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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.