Home / 353,923.02-530,878.86-129,282.48

Finding the Fourth Proportional to 353,923.02, 530,878.86 and 129,282.48

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Solution

The fourth proportional to 353,923.02, 530,878.86 and 129,282.48 is: 193,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,923.02 : 530,878.86 = 129,282.48 : x
  2. Step 2: Convert to fraction form
    353,923.02/530,878.86 = 129,282.48/x
  3. Step 3: Cross multiply
    353,923.02x = 530,878.86 × 129,282.48
  4. Step 4: Simplify right side
    353,923.02x = 68,633,335,600.37
  5. Step 5: Solve for x
    x = 68,633,335,600.37/353,923.02
  6. Step 6: Final answer
    x = 193,921.65

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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.