Home / 170,826.19-256,151.67-99,887.43

Finding the Fourth Proportional to 170,826.19, 256,151.67 and 99,887.43

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Solution

The fourth proportional to 170,826.19, 256,151.67 and 99,887.43 is: 149,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,826.19 : 256,151.67 = 99,887.43 : x
  2. Step 2: Convert to fraction form
    170,826.19/256,151.67 = 99,887.43/x
  3. Step 3: Cross multiply
    170,826.19x = 256,151.67 × 99,887.43
  4. Step 4: Simplify right side
    170,826.19x = 25,586,332,006.51
  5. Step 5: Solve for x
    x = 25,586,332,006.51/170,826.19
  6. Step 6: Final answer
    x = 149,779.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.