Home / 207,828.13-286,804.13-112,334.59

Finding the Fourth Proportional to 207,828.13, 286,804.13 and 112,334.59

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Solution

The fourth proportional to 207,828.13, 286,804.13 and 112,334.59 is: 155,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,828.13 : 286,804.13 = 112,334.59 : x
  2. Step 2: Convert to fraction form
    207,828.13/286,804.13 = 112,334.59/x
  3. Step 3: Cross multiply
    207,828.13x = 286,804.13 × 112,334.59
  4. Step 4: Simplify right side
    207,828.13x = 32,218,024,353.86
  5. Step 5: Solve for x
    x = 32,218,024,353.86/207,828.13
  6. Step 6: Final answer
    x = 155,022.44

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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.