Home / 314,831.22-472,071.84-127,624.02

Finding the Fourth Proportional to 314,831.22, 472,071.84 and 127,624.02

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Solution

The fourth proportional to 314,831.22, 472,071.84 and 127,624.02 is: 191,365.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,831.22 : 472,071.84 = 127,624.02 : x
  2. Step 2: Convert to fraction form
    314,831.22/472,071.84 = 127,624.02/x
  3. Step 3: Cross multiply
    314,831.22x = 472,071.84 × 127,624.02
  4. Step 4: Simplify right side
    314,831.22x = 60,247,705,949.60
  5. Step 5: Solve for x
    x = 60,247,705,949.60/314,831.22
  6. Step 6: Final answer
    x = 191,365.09

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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.