Home / 186,272.21-257,048.51-105,694.92

Finding the Fourth Proportional to 186,272.21, 257,048.51 and 105,694.92

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Solution

The fourth proportional to 186,272.21, 257,048.51 and 105,694.92 is: 145,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,272.21 : 257,048.51 = 105,694.92 : x
  2. Step 2: Convert to fraction form
    186,272.21/257,048.51 = 105,694.92/x
  3. Step 3: Cross multiply
    186,272.21x = 257,048.51 × 105,694.92
  4. Step 4: Simplify right side
    186,272.21x = 27,168,721,172.09
  5. Step 5: Solve for x
    x = 27,168,721,172.09/186,272.21
  6. Step 6: Final answer
    x = 145,854.94

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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.