Home / 115,879.17-173,549.01-112,686.96

Finding the Fourth Proportional to 115,879.17, 173,549.01 and 112,686.96

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Solution

The fourth proportional to 115,879.17, 173,549.01 and 112,686.96 is: 168,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,879.17 : 173,549.01 = 112,686.96 : x
  2. Step 2: Convert to fraction form
    115,879.17/173,549.01 = 112,686.96/x
  3. Step 3: Cross multiply
    115,879.17x = 173,549.01 × 112,686.96
  4. Step 4: Simplify right side
    115,879.17x = 19,556,710,347.91
  5. Step 5: Solve for x
    x = 19,556,710,347.91/115,879.17
  6. Step 6: Final answer
    x = 168,768.13

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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.