Home / 186,714.50-257,627.30-109,175.22

Finding the Fourth Proportional to 186,714.50, 257,627.30 and 109,175.22

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Solution

The fourth proportional to 186,714.50, 257,627.30 and 109,175.22 is: 150,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,714.50 : 257,627.30 = 109,175.22 : x
  2. Step 2: Convert to fraction form
    186,714.50/257,627.30 = 109,175.22/x
  3. Step 3: Cross multiply
    186,714.50x = 257,627.30 × 109,175.22
  4. Step 4: Simplify right side
    186,714.50x = 28,126,517,155.51
  5. Step 5: Solve for x
    x = 28,126,517,155.51/186,714.50
  6. Step 6: Final answer
    x = 150,639.17

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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.