Home / 207,666.49-286,579.87-112,173.19

Finding the Fourth Proportional to 207,666.49, 286,579.87 and 112,173.19

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Solution

The fourth proportional to 207,666.49, 286,579.87 and 112,173.19 is: 154,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,666.49 : 286,579.87 = 112,173.19 : x
  2. Step 2: Convert to fraction form
    207,666.49/286,579.87 = 112,173.19/x
  3. Step 3: Cross multiply
    207,666.49x = 286,579.87 × 112,173.19
  4. Step 4: Simplify right side
    207,666.49x = 32,146,577,841.78
  5. Step 5: Solve for x
    x = 32,146,577,841.78/207,666.49
  6. Step 6: Final answer
    x = 154,799.06

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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.