Home / 332,258.40-498,387.60-121,978.35

Finding the Fourth Proportional to 332,258.40, 498,387.60 and 121,978.35

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Solution

The fourth proportional to 332,258.40, 498,387.60 and 121,978.35 is: 182,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,258.40 : 498,387.60 = 121,978.35 : x
  2. Step 2: Convert to fraction form
    332,258.40/498,387.60 = 121,978.35/x
  3. Step 3: Cross multiply
    332,258.40x = 498,387.60 × 121,978.35
  4. Step 4: Simplify right side
    332,258.40x = 60,792,497,108.46
  5. Step 5: Solve for x
    x = 60,792,497,108.46/332,258.40
  6. Step 6: Final answer
    x = 182,967.53

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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.