Home / 186,732.09-257,689.10-106,159.64

Finding the Fourth Proportional to 186,732.09, 257,689.10 and 106,159.64

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Solution

The fourth proportional to 186,732.09, 257,689.10 and 106,159.64 is: 146,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,732.09 : 257,689.10 = 106,159.64 : x
  2. Step 2: Convert to fraction form
    186,732.09/257,689.10 = 106,159.64/x
  3. Step 3: Cross multiply
    186,732.09x = 257,689.10 × 106,159.64
  4. Step 4: Simplify right side
    186,732.09x = 27,356,181,064.88
  5. Step 5: Solve for x
    x = 27,356,181,064.88/186,732.09
  6. Step 6: Final answer
    x = 146,499.62

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1.5x scale

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.