Home / 118,596.90-177,953.78-55,421.38

Finding the Fourth Proportional to 118,596.90, 177,953.78 and 55,421.38

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Solution

The fourth proportional to 118,596.90, 177,953.78 and 55,421.38 is: 83,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,596.90 : 177,953.78 = 55,421.38 : x
  2. Step 2: Convert to fraction form
    118,596.90/177,953.78 = 55,421.38/x
  3. Step 3: Cross multiply
    118,596.90x = 177,953.78 × 55,421.38
  4. Step 4: Simplify right side
    118,596.90x = 9,862,444,063.82
  5. Step 5: Solve for x
    x = 9,862,444,063.82/118,596.90
  6. Step 6: Final answer
    x = 83,159.37

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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.