Home / 482,928.18-724,421.20-127,941.18

Finding the Fourth Proportional to 482,928.18, 724,421.20 and 127,941.18

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Solution

The fourth proportional to 482,928.18, 724,421.20 and 127,941.18 is: 191,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,928.18 : 724,421.20 = 127,941.18 : x
  2. Step 2: Convert to fraction form
    482,928.18/724,421.20 = 127,941.18/x
  3. Step 3: Cross multiply
    482,928.18x = 724,421.20 × 127,941.18
  4. Step 4: Simplify right side
    482,928.18x = 92,683,303,145.02
  5. Step 5: Solve for x
    x = 92,683,303,145.02/482,928.18
  6. Step 6: Final answer
    x = 191,919.43

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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.