Home / 352,781.16-529,005.06-136,741.20

Finding the Fourth Proportional to 352,781.16, 529,005.06 and 136,741.20

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Solution

The fourth proportional to 352,781.16, 529,005.06 and 136,741.20 is: 205,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,781.16 : 529,005.06 = 136,741.20 : x
  2. Step 2: Convert to fraction form
    352,781.16/529,005.06 = 136,741.20/x
  3. Step 3: Cross multiply
    352,781.16x = 529,005.06 × 136,741.20
  4. Step 4: Simplify right side
    352,781.16x = 72,336,786,710.47
  5. Step 5: Solve for x
    x = 72,336,786,710.47/352,781.16
  6. Step 6: Final answer
    x = 205,047.19

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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.