Home / 186,831.60-280,247.40-112,036.20

Finding the Fourth Proportional to 186,831.60, 280,247.40 and 112,036.20

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Solution

The fourth proportional to 186,831.60, 280,247.40 and 112,036.20 is: 168,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,831.60 : 280,247.40 = 112,036.20 : x
  2. Step 2: Convert to fraction form
    186,831.60/280,247.40 = 112,036.20/x
  3. Step 3: Cross multiply
    186,831.60x = 280,247.40 × 112,036.20
  4. Step 4: Simplify right side
    186,831.60x = 31,397,853,755.88
  5. Step 5: Solve for x
    x = 31,397,853,755.88/186,831.60
  6. Step 6: Final answer
    x = 168,054.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.