Home / 156,748.62-216,379.24-105,830.28

Finding the Fourth Proportional to 156,748.62, 216,379.24 and 105,830.28

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Solution

The fourth proportional to 156,748.62, 216,379.24 and 105,830.28 is: 146,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.62 : 216,379.24 = 105,830.28 : x
  2. Step 2: Convert to fraction form
    156,748.62/216,379.24 = 105,830.28/x
  3. Step 3: Cross multiply
    156,748.62x = 216,379.24 × 105,830.28
  4. Step 4: Simplify right side
    156,748.62x = 22,899,475,555.39
  5. Step 5: Solve for x
    x = 22,899,475,555.39/156,748.62
  6. Step 6: Final answer
    x = 146,090.44

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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.