Home / 116,545.74-174,686.31-102,478.56

Finding the Fourth Proportional to 116,545.74, 174,686.31 and 102,478.56

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Solution

The fourth proportional to 116,545.74, 174,686.31 and 102,478.56 is: 153,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,545.74 : 174,686.31 = 102,478.56 : x
  2. Step 2: Convert to fraction form
    116,545.74/174,686.31 = 102,478.56/x
  3. Step 3: Cross multiply
    116,545.74x = 174,686.31 × 102,478.56
  4. Step 4: Simplify right side
    116,545.74x = 17,901,601,500.51
  5. Step 5: Solve for x
    x = 17,901,601,500.51/116,545.74
  6. Step 6: Final answer
    x = 153,601.51

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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.