Home / 252,630.40-348,623.04-139,444.96

Finding the Fourth Proportional to 252,630.40, 348,623.04 and 139,444.96

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Solution

The fourth proportional to 252,630.40, 348,623.04 and 139,444.96 is: 192,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,630.40 : 348,623.04 = 139,444.96 : x
  2. Step 2: Convert to fraction form
    252,630.40/348,623.04 = 139,444.96/x
  3. Step 3: Cross multiply
    252,630.40x = 348,623.04 × 139,444.96
  4. Step 4: Simplify right side
    252,630.40x = 48,613,725,867.88
  5. Step 5: Solve for x
    x = 48,613,725,867.88/252,630.40
  6. Step 6: Final answer
    x = 192,430.23

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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.