Home / 157,749.44-217,668.54-93,209.69

Finding the Fourth Proportional to 157,749.44, 217,668.54 and 93,209.69

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Solution

The fourth proportional to 157,749.44, 217,668.54 and 93,209.69 is: 128,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,749.44 : 217,668.54 = 93,209.69 : x
  2. Step 2: Convert to fraction form
    157,749.44/217,668.54 = 93,209.69/x
  3. Step 3: Cross multiply
    157,749.44x = 217,668.54 × 93,209.69
  4. Step 4: Simplify right side
    157,749.44x = 20,288,817,136.15
  5. Step 5: Solve for x
    x = 20,288,817,136.15/157,749.44
  6. Step 6: Final answer
    x = 128,614.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.