Home / 186,022.16-256,709.28-101,139.22

Finding the Fourth Proportional to 186,022.16, 256,709.28 and 101,139.22

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Solution

The fourth proportional to 186,022.16, 256,709.28 and 101,139.22 is: 139,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,022.16 : 256,709.28 = 101,139.22 : x
  2. Step 2: Convert to fraction form
    186,022.16/256,709.28 = 101,139.22/x
  3. Step 3: Cross multiply
    186,022.16x = 256,709.28 × 101,139.22
  4. Step 4: Simplify right side
    186,022.16x = 25,963,376,345.96
  5. Step 5: Solve for x
    x = 25,963,376,345.96/186,022.16
  6. Step 6: Final answer
    x = 139,571.42

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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.