Home / 255,564.16-352,677.76-142,385.92

Finding the Fourth Proportional to 255,564.16, 352,677.76 and 142,385.92

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Solution

The fourth proportional to 255,564.16, 352,677.76 and 142,385.92 is: 196,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,564.16 : 352,677.76 = 142,385.92 : x
  2. Step 2: Convert to fraction form
    255,564.16/352,677.76 = 142,385.92/x
  3. Step 3: Cross multiply
    255,564.16x = 352,677.76 × 142,385.92
  4. Step 4: Simplify right side
    255,564.16x = 50,216,347,321.14
  5. Step 5: Solve for x
    x = 50,216,347,321.14/255,564.16
  6. Step 6: Final answer
    x = 196,492.13

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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.