Home / 156,736.37-216,362.40-105,818.07

Finding the Fourth Proportional to 156,736.37, 216,362.40 and 105,818.07

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Solution

The fourth proportional to 156,736.37, 216,362.40 and 105,818.07 is: 146,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.37 : 216,362.40 = 105,818.07 : x
  2. Step 2: Convert to fraction form
    156,736.37/216,362.40 = 105,818.07/x
  3. Step 3: Cross multiply
    156,736.37x = 216,362.40 × 105,818.07
  4. Step 4: Simplify right side
    156,736.37x = 22,895,051,588.57
  5. Step 5: Solve for x
    x = 22,895,051,588.57/156,736.37
  6. Step 6: Final answer
    x = 146,073.64

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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.