Home / 115,928.47-173,666.31-79,898.48

Finding the Fourth Proportional to 115,928.47, 173,666.31 and 79,898.48

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Solution

The fourth proportional to 115,928.47, 173,666.31 and 79,898.48 is: 119,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,928.47 : 173,666.31 = 79,898.48 : x
  2. Step 2: Convert to fraction form
    115,928.47/173,666.31 = 79,898.48/x
  3. Step 3: Cross multiply
    115,928.47x = 173,666.31 × 79,898.48
  4. Step 4: Simplify right side
    115,928.47x = 13,875,674,196.21
  5. Step 5: Solve for x
    x = 13,875,674,196.21/115,928.47
  6. Step 6: Final answer
    x = 119,691.69

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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.