Home / 175,090.32-262,717.50-86,295.42

Finding the Fourth Proportional to 175,090.32, 262,717.50 and 86,295.42

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Solution

The fourth proportional to 175,090.32, 262,717.50 and 86,295.42 is: 129,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,090.32 : 262,717.50 = 86,295.42 : x
  2. Step 2: Convert to fraction form
    175,090.32/262,717.50 = 86,295.42/x
  3. Step 3: Cross multiply
    175,090.32x = 262,717.50 × 86,295.42
  4. Step 4: Simplify right side
    175,090.32x = 22,671,317,003.85
  5. Step 5: Solve for x
    x = 22,671,317,003.85/175,090.32
  6. Step 6: Final answer
    x = 129,483.55

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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.