Home / 207,359.09-286,124.38-116,709.66

Finding the Fourth Proportional to 207,359.09, 286,124.38 and 116,709.66

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Solution

The fourth proportional to 207,359.09, 286,124.38 and 116,709.66 is: 161,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,359.09 : 286,124.38 = 116,709.66 : x
  2. Step 2: Convert to fraction form
    207,359.09/286,124.38 = 116,709.66/x
  3. Step 3: Cross multiply
    207,359.09x = 286,124.38 × 116,709.66
  4. Step 4: Simplify right side
    207,359.09x = 33,393,478,815.74
  5. Step 5: Solve for x
    x = 33,393,478,815.74/207,359.09
  6. Step 6: Final answer
    x = 161,041.79

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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.