Home / 152,197.53-209,984.98-91,786.65

Finding the Fourth Proportional to 152,197.53, 209,984.98 and 91,786.65

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Solution

The fourth proportional to 152,197.53, 209,984.98 and 91,786.65 is: 126,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,197.53 : 209,984.98 = 91,786.65 : x
  2. Step 2: Convert to fraction form
    152,197.53/209,984.98 = 91,786.65/x
  3. Step 3: Cross multiply
    152,197.53x = 209,984.98 × 91,786.65
  4. Step 4: Simplify right side
    152,197.53x = 19,273,817,864.52
  5. Step 5: Solve for x
    x = 19,273,817,864.52/152,197.53
  6. Step 6: Final answer
    x = 126,636.86

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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.