Home / 365,664.24-548,398.08-128,975.76

Finding the Fourth Proportional to 365,664.24, 548,398.08 and 128,975.76

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Solution

The fourth proportional to 365,664.24, 548,398.08 and 128,975.76 is: 193,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,664.24 : 548,398.08 = 128,975.76 : x
  2. Step 2: Convert to fraction form
    365,664.24/548,398.08 = 128,975.76/x
  3. Step 3: Cross multiply
    365,664.24x = 548,398.08 × 128,975.76
  4. Step 4: Simplify right side
    365,664.24x = 70,730,059,150.54
  5. Step 5: Solve for x
    x = 70,730,059,150.54/365,664.24
  6. Step 6: Final answer
    x = 193,428.98

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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.