Home / 186,819.62-257,810.58-101,936.61

Finding the Fourth Proportional to 186,819.62, 257,810.58 and 101,936.61

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Solution

The fourth proportional to 186,819.62, 257,810.58 and 101,936.61 is: 140,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,819.62 : 257,810.58 = 101,936.61 : x
  2. Step 2: Convert to fraction form
    186,819.62/257,810.58 = 101,936.61/x
  3. Step 3: Cross multiply
    186,819.62x = 257,810.58 × 101,936.61
  4. Step 4: Simplify right side
    186,819.62x = 26,280,336,547.33
  5. Step 5: Solve for x
    x = 26,280,336,547.33/186,819.62
  6. Step 6: Final answer
    x = 140,672.26

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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.