Home / 432,428.88-648,938.64-151,946.16

Finding the Fourth Proportional to 432,428.88, 648,938.64 and 151,946.16

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Solution

The fourth proportional to 432,428.88, 648,938.64 and 151,946.16 is: 228,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,428.88 : 648,938.64 = 151,946.16 : x
  2. Step 2: Convert to fraction form
    432,428.88/648,938.64 = 151,946.16/x
  3. Step 3: Cross multiply
    432,428.88x = 648,938.64 × 151,946.16
  4. Step 4: Simplify right side
    432,428.88x = 98,603,734,423.62
  5. Step 5: Solve for x
    x = 98,603,734,423.62/432,428.88
  6. Step 6: Final answer
    x = 228,023.01

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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.