Home / 186,721.20-257,672.34-101,836.44

Finding the Fourth Proportional to 186,721.20, 257,672.34 and 101,836.44

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Solution

The fourth proportional to 186,721.20, 257,672.34 and 101,836.44 is: 140,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,721.20 : 257,672.34 = 101,836.44 : x
  2. Step 2: Convert to fraction form
    186,721.20/257,672.34 = 101,836.44/x
  3. Step 3: Cross multiply
    186,721.20x = 257,672.34 × 101,836.44
  4. Step 4: Simplify right side
    186,721.20x = 26,240,433,792.07
  5. Step 5: Solve for x
    x = 26,240,433,792.07/186,721.20
  6. Step 6: Final answer
    x = 140,532.70

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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.