Home / 313,115.32-469,671.36-76,459.24

Finding the Fourth Proportional to 313,115.32, 469,671.36 and 76,459.24

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Solution

The fourth proportional to 313,115.32, 469,671.36 and 76,459.24 is: 114,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,115.32 : 469,671.36 = 76,459.24 : x
  2. Step 2: Convert to fraction form
    313,115.32/469,671.36 = 76,459.24/x
  3. Step 3: Cross multiply
    313,115.32x = 469,671.36 × 76,459.24
  4. Step 4: Simplify right side
    313,115.32x = 35,910,715,235.37
  5. Step 5: Solve for x
    x = 35,910,715,235.37/313,115.32
  6. Step 6: Final answer
    x = 114,688.46

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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.