Home / 432,088.40-648,132.60-116,577.20

Finding the Fourth Proportional to 432,088.40, 648,132.60 and 116,577.20

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Solution

The fourth proportional to 432,088.40, 648,132.60 and 116,577.20 is: 174,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,088.40 : 648,132.60 = 116,577.20 : x
  2. Step 2: Convert to fraction form
    432,088.40/648,132.60 = 116,577.20/x
  3. Step 3: Cross multiply
    432,088.40x = 648,132.60 × 116,577.20
  4. Step 4: Simplify right side
    432,088.40x = 75,557,483,736.72
  5. Step 5: Solve for x
    x = 75,557,483,736.72/432,088.40
  6. Step 6: Final answer
    x = 174,865.80

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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.