Home / 381,025.48-525,872.64-243,263.27

Finding the Fourth Proportional to 381,025.48, 525,872.64 and 243,263.27

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Solution

The fourth proportional to 381,025.48, 525,872.64 and 243,263.27 is: 335,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,025.48 : 525,872.64 = 243,263.27 : x
  2. Step 2: Convert to fraction form
    381,025.48/525,872.64 = 243,263.27/x
  3. Step 3: Cross multiply
    381,025.48x = 525,872.64 × 243,263.27
  4. Step 4: Simplify right side
    381,025.48x = 127,925,495,380.57
  5. Step 5: Solve for x
    x = 127,925,495,380.57/381,025.48
  6. Step 6: Final answer
    x = 335,740.00

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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.