Home / 157,743.72-235,896.86-117,790.76

Finding the Fourth Proportional to 157,743.72, 235,896.86 and 117,790.76

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Solution

The fourth proportional to 157,743.72, 235,896.86 and 117,790.76 is: 176,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,743.72 : 235,896.86 = 117,790.76 : x
  2. Step 2: Convert to fraction form
    157,743.72/235,896.86 = 117,790.76/x
  3. Step 3: Cross multiply
    157,743.72x = 235,896.86 × 117,790.76
  4. Step 4: Simplify right side
    157,743.72x = 27,786,470,421.01
  5. Step 5: Solve for x
    x = 27,786,470,421.01/157,743.72
  6. Step 6: Final answer
    x = 176,149.46

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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.