Home / 134,619.69-201,931.65-39,859.49

Finding the Fourth Proportional to 134,619.69, 201,931.65 and 39,859.49

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Solution

The fourth proportional to 134,619.69, 201,931.65 and 39,859.49 is: 59,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,619.69 : 201,931.65 = 39,859.49 : x
  2. Step 2: Convert to fraction form
    134,619.69/201,931.65 = 39,859.49/x
  3. Step 3: Cross multiply
    134,619.69x = 201,931.65 × 39,859.49
  4. Step 4: Simplify right side
    134,619.69x = 8,048,892,384.56
  5. Step 5: Solve for x
    x = 8,048,892,384.56/134,619.69
  6. Step 6: Final answer
    x = 59,789.86

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1.5x scale

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.