Home / 314,130.62-470,853.20-154,316.54

Finding the Fourth Proportional to 314,130.62, 470,853.20 and 154,316.54

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Solution

The fourth proportional to 314,130.62, 470,853.20 and 154,316.54 is: 231,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,130.62 : 470,853.20 = 154,316.54 : x
  2. Step 2: Convert to fraction form
    314,130.62/470,853.20 = 154,316.54/x
  3. Step 3: Cross multiply
    314,130.62x = 470,853.20 × 154,316.54
  4. Step 4: Simplify right side
    314,130.62x = 72,660,434,703.45
  5. Step 5: Solve for x
    x = 72,660,434,703.45/314,130.62
  6. Step 6: Final answer
    x = 231,306.44

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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.