Home / 325,718.24-488,483.66-112,430.72

Finding the Fourth Proportional to 325,718.24, 488,483.66 and 112,430.72

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Solution

The fourth proportional to 325,718.24, 488,483.66 and 112,430.72 is: 168,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,718.24 : 488,483.66 = 112,430.72 : x
  2. Step 2: Convert to fraction form
    325,718.24/488,483.66 = 112,430.72/x
  3. Step 3: Cross multiply
    325,718.24x = 488,483.66 × 112,430.72
  4. Step 4: Simplify right side
    325,718.24x = 54,920,571,104.32
  5. Step 5: Solve for x
    x = 54,920,571,104.32/325,718.24
  6. Step 6: Final answer
    x = 168,613.74

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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.