Home / 186,831.48-257,833.62-101,953.20

Finding the Fourth Proportional to 186,831.48, 257,833.62 and 101,953.20

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Solution

The fourth proportional to 186,831.48, 257,833.62 and 101,953.20 is: 140,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,831.48 : 257,833.62 = 101,953.20 : x
  2. Step 2: Convert to fraction form
    186,831.48/257,833.62 = 101,953.20/x
  3. Step 3: Cross multiply
    186,831.48x = 257,833.62 × 101,953.20
  4. Step 4: Simplify right side
    186,831.48x = 26,286,962,626.58
  5. Step 5: Solve for x
    x = 26,286,962,626.58/186,831.48
  6. Step 6: Final answer
    x = 140,698.79

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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.