Home / 162,445.44-224,164.32-90,831.36

Finding the Fourth Proportional to 162,445.44, 224,164.32 and 90,831.36

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Solution

The fourth proportional to 162,445.44, 224,164.32 and 90,831.36 is: 125,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,445.44 : 224,164.32 = 90,831.36 : x
  2. Step 2: Convert to fraction form
    162,445.44/224,164.32 = 90,831.36/x
  3. Step 3: Cross multiply
    162,445.44x = 224,164.32 × 90,831.36
  4. Step 4: Simplify right side
    162,445.44x = 20,361,150,049.08
  5. Step 5: Solve for x
    x = 20,361,150,049.08/162,445.44
  6. Step 6: Final answer
    x = 125,341.47

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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.