Home / 527,539.16-791,309.73-128,180.27

Finding the Fourth Proportional to 527,539.16, 791,309.73 and 128,180.27

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Solution

The fourth proportional to 527,539.16, 791,309.73 and 128,180.27 is: 192,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,539.16 : 791,309.73 = 128,180.27 : x
  2. Step 2: Convert to fraction form
    527,539.16/791,309.73 = 128,180.27/x
  3. Step 3: Cross multiply
    527,539.16x = 791,309.73 × 128,180.27
  4. Step 4: Simplify right side
    527,539.16x = 101,430,290,888.48
  5. Step 5: Solve for x
    x = 101,430,290,888.48/527,539.16
  6. Step 6: Final answer
    x = 192,270.64

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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.