Home / 340,329.25-469,636.52-187,337.56

Finding the Fourth Proportional to 340,329.25, 469,636.52 and 187,337.56

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Solution

The fourth proportional to 340,329.25, 469,636.52 and 187,337.56 is: 258,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,329.25 : 469,636.52 = 187,337.56 : x
  2. Step 2: Convert to fraction form
    340,329.25/469,636.52 = 187,337.56/x
  3. Step 3: Cross multiply
    340,329.25x = 469,636.52 × 187,337.56
  4. Step 4: Simplify right side
    340,329.25x = 87,980,559,743.69
  5. Step 5: Solve for x
    x = 87,980,559,743.69/340,329.25
  6. Step 6: Final answer
    x = 258,516.01

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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.