Home / 317,267.35-437,678.04-189,918.34

Finding the Fourth Proportional to 317,267.35, 437,678.04 and 189,918.34

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Solution

The fourth proportional to 317,267.35, 437,678.04 and 189,918.34 is: 261,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,267.35 : 437,678.04 = 189,918.34 : x
  2. Step 2: Convert to fraction form
    317,267.35/437,678.04 = 189,918.34/x
  3. Step 3: Cross multiply
    317,267.35x = 437,678.04 × 189,918.34
  4. Step 4: Simplify right side
    317,267.35x = 83,123,086,811.25
  5. Step 5: Solve for x
    x = 83,123,086,811.25/317,267.35
  6. Step 6: Final answer
    x = 261,996.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.