Home / 470,536.20-705,545.10-154,830.60

Finding the Fourth Proportional to 470,536.20, 705,545.10 and 154,830.60

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Solution

The fourth proportional to 470,536.20, 705,545.10 and 154,830.60 is: 232,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,536.20 : 705,545.10 = 154,830.60 : x
  2. Step 2: Convert to fraction form
    470,536.20/705,545.10 = 154,830.60/x
  3. Step 3: Cross multiply
    470,536.20x = 705,545.10 × 154,830.60
  4. Step 4: Simplify right side
    470,536.20x = 109,239,971,160.06
  5. Step 5: Solve for x
    x = 109,239,971,160.06/470,536.20
  6. Step 6: Final answer
    x = 232,160.61

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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.