Home / 353,821.72-530,634-117,182.86

Finding the Fourth Proportional to 353,821.72, 530,634 and 117,182.86

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Solution

The fourth proportional to 353,821.72, 530,634 and 117,182.86 is: 175,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,821.72 : 530,634 = 117,182.86 : x
  2. Step 2: Convert to fraction form
    353,821.72/530,634 = 117,182.86/x
  3. Step 3: Cross multiply
    353,821.72x = 530,634 × 117,182.86
  4. Step 4: Simplify right side
    353,821.72x = 62,181,209,733.24
  5. Step 5: Solve for x
    x = 62,181,209,733.24/353,821.72
  6. Step 6: Final answer
    x = 175,741.64

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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.