Home / 131,048.40-196,408.08-56,080.38

Finding the Fourth Proportional to 131,048.40, 196,408.08 and 56,080.38

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Solution

The fourth proportional to 131,048.40, 196,408.08 and 56,080.38 is: 84,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,048.40 : 196,408.08 = 56,080.38 : x
  2. Step 2: Convert to fraction form
    131,048.40/196,408.08 = 56,080.38/x
  3. Step 3: Cross multiply
    131,048.40x = 196,408.08 × 56,080.38
  4. Step 4: Simplify right side
    131,048.40x = 11,014,639,761.47
  5. Step 5: Solve for x
    x = 11,014,639,761.47/131,048.40
  6. Step 6: Final answer
    x = 84,050.17

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1.5x scale

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.