Home / 317,176.12-475,762.50-148,814.32

Finding the Fourth Proportional to 317,176.12, 475,762.50 and 148,814.32

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Solution

The fourth proportional to 317,176.12, 475,762.50 and 148,814.32 is: 223,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,176.12 : 475,762.50 = 148,814.32 : x
  2. Step 2: Convert to fraction form
    317,176.12/475,762.50 = 148,814.32/x
  3. Step 3: Cross multiply
    317,176.12x = 475,762.50 × 148,814.32
  4. Step 4: Simplify right side
    317,176.12x = 70,800,272,919
  5. Step 5: Solve for x
    x = 70,800,272,919/317,176.12
  6. Step 6: Final answer
    x = 223,220.69

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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.