Home / 558,323.12-837,489.72-158,963.60

Finding the Fourth Proportional to 558,323.12, 837,489.72 and 158,963.60

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Solution

The fourth proportional to 558,323.12, 837,489.72 and 158,963.60 is: 238,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,323.12 : 837,489.72 = 158,963.60 : x
  2. Step 2: Convert to fraction form
    558,323.12/837,489.72 = 158,963.60/x
  3. Step 3: Cross multiply
    558,323.12x = 837,489.72 × 158,963.60
  4. Step 4: Simplify right side
    558,323.12x = 133,130,380,854.19
  5. Step 5: Solve for x
    x = 133,130,380,854.19/558,323.12
  6. Step 6: Final answer
    x = 238,446.83

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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.