Home / 354,921.72-532,303.08-102,145.92

Finding the Fourth Proportional to 354,921.72, 532,303.08 and 102,145.92

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Solution

The fourth proportional to 354,921.72, 532,303.08 and 102,145.92 is: 153,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,921.72 : 532,303.08 = 102,145.92 : x
  2. Step 2: Convert to fraction form
    354,921.72/532,303.08 = 102,145.92/x
  3. Step 3: Cross multiply
    354,921.72x = 532,303.08 × 102,145.92
  4. Step 4: Simplify right side
    354,921.72x = 54,372,587,825.43
  5. Step 5: Solve for x
    x = 54,372,587,825.43/354,921.72
  6. Step 6: Final answer
    x = 153,196.00

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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.