Home / 175,816.48-263,548.32-87,134.40

Finding the Fourth Proportional to 175,816.48, 263,548.32 and 87,134.40

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Solution

The fourth proportional to 175,816.48, 263,548.32 and 87,134.40 is: 130,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,816.48 : 263,548.32 = 87,134.40 : x
  2. Step 2: Convert to fraction form
    175,816.48/263,548.32 = 87,134.40/x
  3. Step 3: Cross multiply
    175,816.48x = 263,548.32 × 87,134.40
  4. Step 4: Simplify right side
    175,816.48x = 22,964,124,734.21
  5. Step 5: Solve for x
    x = 22,964,124,734.21/175,816.48
  6. Step 6: Final answer
    x = 130,614.18

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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.