Home / 186,022.11-256,709.22-101,139.15

Finding the Fourth Proportional to 186,022.11, 256,709.22 and 101,139.15

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Solution

The fourth proportional to 186,022.11, 256,709.22 and 101,139.15 is: 139,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,022.11 : 256,709.22 = 101,139.15 : x
  2. Step 2: Convert to fraction form
    186,022.11/256,709.22 = 101,139.15/x
  3. Step 3: Cross multiply
    186,022.11x = 256,709.22 × 101,139.15
  4. Step 4: Simplify right side
    186,022.11x = 25,963,352,307.96
  5. Step 5: Solve for x
    x = 25,963,352,307.96/186,022.11
  6. Step 6: Final answer
    x = 139,571.32

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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.