Home / 186,824.18-257,815.23-101,942.66

Finding the Fourth Proportional to 186,824.18, 257,815.23 and 101,942.66

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Solution

The fourth proportional to 186,824.18, 257,815.23 and 101,942.66 is: 140,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,824.18 : 257,815.23 = 101,942.66 : x
  2. Step 2: Convert to fraction form
    186,824.18/257,815.23 = 101,942.66/x
  3. Step 3: Cross multiply
    186,824.18x = 257,815.23 × 101,942.66
  4. Step 4: Simplify right side
    186,824.18x = 26,282,370,334.71
  5. Step 5: Solve for x
    x = 26,282,370,334.71/186,824.18
  6. Step 6: Final answer
    x = 140,679.70

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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.