Home / 176,613.76-265,095.36-143,720.96

Finding the Fourth Proportional to 176,613.76, 265,095.36 and 143,720.96

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Solution

The fourth proportional to 176,613.76, 265,095.36 and 143,720.96 is: 215,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,613.76 : 265,095.36 = 143,720.96 : x
  2. Step 2: Convert to fraction form
    176,613.76/265,095.36 = 143,720.96/x
  3. Step 3: Cross multiply
    176,613.76x = 265,095.36 × 143,720.96
  4. Step 4: Simplify right side
    176,613.76x = 38,099,759,630.75
  5. Step 5: Solve for x
    x = 38,099,759,630.75/176,613.76
  6. Step 6: Final answer
    x = 215,723.62

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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.