Home / 236,025.13-354,068.61-86,335.92

Finding the Fourth Proportional to 236,025.13, 354,068.61 and 86,335.92

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Solution

The fourth proportional to 236,025.13, 354,068.61 and 86,335.92 is: 129,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,025.13 : 354,068.61 = 86,335.92 : x
  2. Step 2: Convert to fraction form
    236,025.13/354,068.61 = 86,335.92/x
  3. Step 3: Cross multiply
    236,025.13x = 354,068.61 × 86,335.92
  4. Step 4: Simplify right side
    236,025.13x = 30,568,838,518.14
  5. Step 5: Solve for x
    x = 30,568,838,518.14/236,025.13
  6. Step 6: Final answer
    x = 129,515.18

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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.