Home / 482,816.16-724,140.72-127,835.28

Finding the Fourth Proportional to 482,816.16, 724,140.72 and 127,835.28

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Solution

The fourth proportional to 482,816.16, 724,140.72 and 127,835.28 is: 191,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,816.16 : 724,140.72 = 127,835.28 : x
  2. Step 2: Convert to fraction form
    482,816.16/724,140.72 = 127,835.28/x
  3. Step 3: Cross multiply
    482,816.16x = 724,140.72 × 127,835.28
  4. Step 4: Simplify right side
    482,816.16x = 92,570,731,700.60
  5. Step 5: Solve for x
    x = 92,570,731,700.60/482,816.16
  6. Step 6: Final answer
    x = 191,730.81

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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.