Home / 175,818.48-263,551.32-87,136.40

Finding the Fourth Proportional to 175,818.48, 263,551.32 and 87,136.40

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Solution

The fourth proportional to 175,818.48, 263,551.32 and 87,136.40 is: 130,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,818.48 : 263,551.32 = 87,136.40 : x
  2. Step 2: Convert to fraction form
    175,818.48/263,551.32 = 87,136.40/x
  3. Step 3: Cross multiply
    175,818.48x = 263,551.32 × 87,136.40
  4. Step 4: Simplify right side
    175,818.48x = 22,964,913,240.05
  5. Step 5: Solve for x
    x = 22,964,913,240.05/175,818.48
  6. Step 6: Final answer
    x = 130,617.18

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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.