Home / 297,048.14-445,688.86-130,719.50

Finding the Fourth Proportional to 297,048.14, 445,688.86 and 130,719.50

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Solution

The fourth proportional to 297,048.14, 445,688.86 and 130,719.50 is: 196,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,048.14 : 445,688.86 = 130,719.50 : x
  2. Step 2: Convert to fraction form
    297,048.14/445,688.86 = 130,719.50/x
  3. Step 3: Cross multiply
    297,048.14x = 445,688.86 × 130,719.50
  4. Step 4: Simplify right side
    297,048.14x = 58,260,224,934.77
  5. Step 5: Solve for x
    x = 58,260,224,934.77/297,048.14
  6. Step 6: Final answer
    x = 196,130.58

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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.