Home / 470,768.20-706,152.30-155,184.10

Finding the Fourth Proportional to 470,768.20, 706,152.30 and 155,184.10

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Solution

The fourth proportional to 470,768.20, 706,152.30 and 155,184.10 is: 232,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,768.20 : 706,152.30 = 155,184.10 : x
  2. Step 2: Convert to fraction form
    470,768.20/706,152.30 = 155,184.10/x
  3. Step 3: Cross multiply
    470,768.20x = 706,152.30 × 155,184.10
  4. Step 4: Simplify right side
    470,768.20x = 109,583,609,138.43
  5. Step 5: Solve for x
    x = 109,583,609,138.43/470,768.20
  6. Step 6: Final answer
    x = 232,776.15

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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.