Home / 316,466.07-474,528.87-126,831.30

Finding the Fourth Proportional to 316,466.07, 474,528.87 and 126,831.30

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Solution

The fourth proportional to 316,466.07, 474,528.87 and 126,831.30 is: 190,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,466.07 : 474,528.87 = 126,831.30 : x
  2. Step 2: Convert to fraction form
    316,466.07/474,528.87 = 126,831.30/x
  3. Step 3: Cross multiply
    316,466.07x = 474,528.87 × 126,831.30
  4. Step 4: Simplify right side
    316,466.07x = 60,185,113,469.63
  5. Step 5: Solve for x
    x = 60,185,113,469.63/316,466.07
  6. Step 6: Final answer
    x = 190,178.72

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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.