Home / 124,556.43-171,835.50-86,852.55

Finding the Fourth Proportional to 124,556.43, 171,835.50 and 86,852.55

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Solution

The fourth proportional to 124,556.43, 171,835.50 and 86,852.55 is: 119,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556.43 : 171,835.50 = 86,852.55 : x
  2. Step 2: Convert to fraction form
    124,556.43/171,835.50 = 86,852.55/x
  3. Step 3: Cross multiply
    124,556.43x = 171,835.50 × 86,852.55
  4. Step 4: Simplify right side
    124,556.43x = 14,924,351,355.53
  5. Step 5: Solve for x
    x = 14,924,351,355.53/124,556.43
  6. Step 6: Final answer
    x = 119,820.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.