Home / 528,025.60-791,776.36-168,149.55

Finding the Fourth Proportional to 528,025.60, 791,776.36 and 168,149.55

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Solution

The fourth proportional to 528,025.60, 791,776.36 and 168,149.55 is: 252,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,025.60 : 791,776.36 = 168,149.55 : x
  2. Step 2: Convert to fraction form
    528,025.60/791,776.36 = 168,149.55/x
  3. Step 3: Cross multiply
    528,025.60x = 791,776.36 × 168,149.55
  4. Step 4: Simplify right side
    528,025.60x = 133,136,838,634.64
  5. Step 5: Solve for x
    x = 133,136,838,634.64/528,025.60
  6. Step 6: Final answer
    x = 252,140.88

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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.