Home / 237,254.22-327,411.81-128,358.21

Finding the Fourth Proportional to 237,254.22, 327,411.81 and 128,358.21

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Solution

The fourth proportional to 237,254.22, 327,411.81 and 128,358.21 is: 177,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,254.22 : 327,411.81 = 128,358.21 : x
  2. Step 2: Convert to fraction form
    237,254.22/327,411.81 = 128,358.21/x
  3. Step 3: Cross multiply
    237,254.22x = 327,411.81 × 128,358.21
  4. Step 4: Simplify right side
    237,254.22x = 42,025,993,864.46
  5. Step 5: Solve for x
    x = 42,025,993,864.46/237,254.22
  6. Step 6: Final answer
    x = 177,134.86

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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.