Home / 186,124.43-256,897.31-105,599.09

Finding the Fourth Proportional to 186,124.43, 256,897.31 and 105,599.09

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Solution

The fourth proportional to 186,124.43, 256,897.31 and 105,599.09 is: 145,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,124.43 : 256,897.31 = 105,599.09 : x
  2. Step 2: Convert to fraction form
    186,124.43/256,897.31 = 105,599.09/x
  3. Step 3: Cross multiply
    186,124.43x = 256,897.31 × 105,599.09
  4. Step 4: Simplify right side
    186,124.43x = 27,128,122,273.70
  5. Step 5: Solve for x
    x = 27,128,122,273.70/186,124.43
  6. Step 6: Final answer
    x = 145,752.61

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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.