Home / 474,946.21-712,270.32-138,010.16

Finding the Fourth Proportional to 474,946.21, 712,270.32 and 138,010.16

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Solution

The fourth proportional to 474,946.21, 712,270.32 and 138,010.16 is: 206,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,946.21 : 712,270.32 = 138,010.16 : x
  2. Step 2: Convert to fraction form
    474,946.21/712,270.32 = 138,010.16/x
  3. Step 3: Cross multiply
    474,946.21x = 712,270.32 × 138,010.16
  4. Step 4: Simplify right side
    474,946.21x = 98,300,540,826.45
  5. Step 5: Solve for x
    x = 98,300,540,826.45/474,946.21
  6. Step 6: Final answer
    x = 206,971.94

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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.