Home / 351,056.57-484,457.63-189,911.25

Finding the Fourth Proportional to 351,056.57, 484,457.63 and 189,911.25

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Solution

The fourth proportional to 351,056.57, 484,457.63 and 189,911.25 is: 262,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,056.57 : 484,457.63 = 189,911.25 : x
  2. Step 2: Convert to fraction form
    351,056.57/484,457.63 = 189,911.25/x
  3. Step 3: Cross multiply
    351,056.57x = 484,457.63 × 189,911.25
  4. Step 4: Simplify right side
    351,056.57x = 92,003,953,135.78
  5. Step 5: Solve for x
    x = 92,003,953,135.78/351,056.57
  6. Step 6: Final answer
    x = 262,077.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.