Home / 115,514.55-173,271.83-102,829.95

Finding the Fourth Proportional to 115,514.55, 173,271.83 and 102,829.95

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Solution

The fourth proportional to 115,514.55, 173,271.83 and 102,829.95 is: 154,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,514.55 : 173,271.83 = 102,829.95 : x
  2. Step 2: Convert to fraction form
    115,514.55/173,271.83 = 102,829.95/x
  3. Step 3: Cross multiply
    115,514.55x = 173,271.83 × 102,829.95
  4. Step 4: Simplify right side
    115,514.55x = 17,817,533,101.16
  5. Step 5: Solve for x
    x = 17,817,533,101.16/115,514.55
  6. Step 6: Final answer
    x = 154,244.93

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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.