Home / 432,868.89-649,303.29-117,325.80

Finding the Fourth Proportional to 432,868.89, 649,303.29 and 117,325.80

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Solution

The fourth proportional to 432,868.89, 649,303.29 and 117,325.80 is: 175,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,868.89 : 649,303.29 = 117,325.80 : x
  2. Step 2: Convert to fraction form
    432,868.89/649,303.29 = 117,325.80/x
  3. Step 3: Cross multiply
    432,868.89x = 649,303.29 × 117,325.80
  4. Step 4: Simplify right side
    432,868.89x = 76,180,027,941.88
  5. Step 5: Solve for x
    x = 76,180,027,941.88/432,868.89
  6. Step 6: Final answer
    x = 175,988.69

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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.