Home / 432,580.20-648,918.90-133,058.40

Finding the Fourth Proportional to 432,580.20, 648,918.90 and 133,058.40

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Solution

The fourth proportional to 432,580.20, 648,918.90 and 133,058.40 is: 199,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,580.20 : 648,918.90 = 133,058.40 : x
  2. Step 2: Convert to fraction form
    432,580.20/648,918.90 = 133,058.40/x
  3. Step 3: Cross multiply
    432,580.20x = 648,918.90 × 133,058.40
  4. Step 4: Simplify right side
    432,580.20x = 86,344,110,563.76
  5. Step 5: Solve for x
    x = 86,344,110,563.76/432,580.20
  6. Step 6: Final answer
    x = 199,602.55

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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.