Home / 297,041.14-445,678.35-130,712.50

Finding the Fourth Proportional to 297,041.14, 445,678.35 and 130,712.50

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Solution

The fourth proportional to 297,041.14, 445,678.35 and 130,712.50 is: 196,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,041.14 : 445,678.35 = 130,712.50 : x
  2. Step 2: Convert to fraction form
    297,041.14/445,678.35 = 130,712.50/x
  3. Step 3: Cross multiply
    297,041.14x = 445,678.35 × 130,712.50
  4. Step 4: Simplify right side
    297,041.14x = 58,255,731,324.38
  5. Step 5: Solve for x
    x = 58,255,731,324.38/297,041.14
  6. Step 6: Final answer
    x = 196,120.08

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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.