Home / 177,715.11-245,207.34-102,263.61

Finding the Fourth Proportional to 177,715.11, 245,207.34 and 102,263.61

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Solution

The fourth proportional to 177,715.11, 245,207.34 and 102,263.61 is: 141,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,715.11 : 245,207.34 = 102,263.61 : x
  2. Step 2: Convert to fraction form
    177,715.11/245,207.34 = 102,263.61/x
  3. Step 3: Cross multiply
    177,715.11x = 245,207.34 × 102,263.61
  4. Step 4: Simplify right side
    177,715.11x = 25,075,787,786.90
  5. Step 5: Solve for x
    x = 25,075,787,786.90/177,715.11
  6. Step 6: Final answer
    x = 141,101.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.