Home / 175,817.48-263,549.82-87,135.40

Finding the Fourth Proportional to 175,817.48, 263,549.82 and 87,135.40

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Solution

The fourth proportional to 175,817.48, 263,549.82 and 87,135.40 is: 130,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,817.48 : 263,549.82 = 87,135.40 : x
  2. Step 2: Convert to fraction form
    175,817.48/263,549.82 = 87,135.40/x
  3. Step 3: Cross multiply
    175,817.48x = 263,549.82 × 87,135.40
  4. Step 4: Simplify right side
    175,817.48x = 22,964,518,985.63
  5. Step 5: Solve for x
    x = 22,964,518,985.63/175,817.48
  6. Step 6: Final answer
    x = 130,615.68

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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.