Home / 186,220.70-257,012.24-109,715.34

Finding the Fourth Proportional to 186,220.70, 257,012.24 and 109,715.34

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Solution

The fourth proportional to 186,220.70, 257,012.24 and 109,715.34 is: 151,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,220.70 : 257,012.24 = 109,715.34 : x
  2. Step 2: Convert to fraction form
    186,220.70/257,012.24 = 109,715.34/x
  3. Step 3: Cross multiply
    186,220.70x = 257,012.24 × 109,715.34
  4. Step 4: Simplify right side
    186,220.70x = 28,198,185,295.76
  5. Step 5: Solve for x
    x = 28,198,185,295.76/186,220.70
  6. Step 6: Final answer
    x = 151,423.47

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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.