Home / 297,048.27-445,689.04-130,719.63

Finding the Fourth Proportional to 297,048.27, 445,689.04 and 130,719.63

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Solution

The fourth proportional to 297,048.27, 445,689.04 and 130,719.63 is: 196,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,048.27 : 445,689.04 = 130,719.63 : x
  2. Step 2: Convert to fraction form
    297,048.27/445,689.04 = 130,719.63/x
  3. Step 3: Cross multiply
    297,048.27x = 445,689.04 × 130,719.63
  4. Step 4: Simplify right side
    297,048.27x = 58,260,303,848.61
  5. Step 5: Solve for x
    x = 58,260,303,848.61/297,048.27
  6. Step 6: Final answer
    x = 196,130.77

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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.