Home / 186,220.88-257,012.50-109,715.53

Finding the Fourth Proportional to 186,220.88, 257,012.50 and 109,715.53

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Solution

The fourth proportional to 186,220.88, 257,012.50 and 109,715.53 is: 151,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,220.88 : 257,012.50 = 109,715.53 : x
  2. Step 2: Convert to fraction form
    186,220.88/257,012.50 = 109,715.53/x
  3. Step 3: Cross multiply
    186,220.88x = 257,012.50 × 109,715.53
  4. Step 4: Simplify right side
    186,220.88x = 28,198,261,369.06
  5. Step 5: Solve for x
    x = 28,198,261,369.06/186,220.88
  6. Step 6: Final answer
    x = 151,423.74

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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.