Home / 236,582.13-354,929.13-76,657.80

Finding the Fourth Proportional to 236,582.13, 354,929.13 and 76,657.80

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Solution

The fourth proportional to 236,582.13, 354,929.13 and 76,657.80 is: 115,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,582.13 : 354,929.13 = 76,657.80 : x
  2. Step 2: Convert to fraction form
    236,582.13/354,929.13 = 76,657.80/x
  3. Step 3: Cross multiply
    236,582.13x = 354,929.13 × 76,657.80
  4. Step 4: Simplify right side
    236,582.13x = 27,208,086,261.71
  5. Step 5: Solve for x
    x = 27,208,086,261.71/236,582.13
  6. Step 6: Final answer
    x = 115,004.82

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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.