Home / 186,299.90-257,127.41-109,814.47

Finding the Fourth Proportional to 186,299.90, 257,127.41 and 109,814.47

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Solution

The fourth proportional to 186,299.90, 257,127.41 and 109,814.47 is: 151,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,299.90 : 257,127.41 = 109,814.47 : x
  2. Step 2: Convert to fraction form
    186,299.90/257,127.41 = 109,814.47/x
  3. Step 3: Cross multiply
    186,299.90x = 257,127.41 × 109,814.47
  4. Step 4: Simplify right side
    186,299.90x = 28,236,309,883.34
  5. Step 5: Solve for x
    x = 28,236,309,883.34/186,299.90
  6. Step 6: Final answer
    x = 151,563.74

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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.