Home / 350,178.12-525,305.44-125,507.60

Finding the Fourth Proportional to 350,178.12, 525,305.44 and 125,507.60

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Solution

The fourth proportional to 350,178.12, 525,305.44 and 125,507.60 is: 188,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,178.12 : 525,305.44 = 125,507.60 : x
  2. Step 2: Convert to fraction form
    350,178.12/525,305.44 = 125,507.60/x
  3. Step 3: Cross multiply
    350,178.12x = 525,305.44 × 125,507.60
  4. Step 4: Simplify right side
    350,178.12x = 65,929,825,041.34
  5. Step 5: Solve for x
    x = 65,929,825,041.34/350,178.12
  6. Step 6: Final answer
    x = 188,275.11

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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.