Home / 186,243.20-257,007.66-101,360.06

Finding the Fourth Proportional to 186,243.20, 257,007.66 and 101,360.06

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Solution

The fourth proportional to 186,243.20, 257,007.66 and 101,360.06 is: 139,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,243.20 : 257,007.66 = 101,360.06 : x
  2. Step 2: Convert to fraction form
    186,243.20/257,007.66 = 101,360.06/x
  3. Step 3: Cross multiply
    186,243.20x = 257,007.66 × 101,360.06
  4. Step 4: Simplify right side
    186,243.20x = 26,050,311,838.06
  5. Step 5: Solve for x
    x = 26,050,311,838.06/186,243.20
  6. Step 6: Final answer
    x = 139,872.55

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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.