Home / 470,827.20-705,981.60-155,121.60

Finding the Fourth Proportional to 470,827.20, 705,981.60 and 155,121.60

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Solution

The fourth proportional to 470,827.20, 705,981.60 and 155,121.60 is: 232,597.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,827.20 : 705,981.60 = 155,121.60 : x
  2. Step 2: Convert to fraction form
    470,827.20/705,981.60 = 155,121.60/x
  3. Step 3: Cross multiply
    470,827.20x = 705,981.60 × 155,121.60
  4. Step 4: Simplify right side
    470,827.20x = 109,512,995,362.56
  5. Step 5: Solve for x
    x = 109,512,995,362.56/470,827.20
  6. Step 6: Final answer
    x = 232,597.00

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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.