Home / 152,192.24-210,109.76-91,778.19

Finding the Fourth Proportional to 152,192.24, 210,109.76 and 91,778.19

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Solution

The fourth proportional to 152,192.24, 210,109.76 and 91,778.19 is: 126,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,192.24 : 210,109.76 = 91,778.19 : x
  2. Step 2: Convert to fraction form
    152,192.24/210,109.76 = 91,778.19/x
  3. Step 3: Cross multiply
    152,192.24x = 210,109.76 × 91,778.19
  4. Step 4: Simplify right side
    152,192.24x = 19,283,493,359.41
  5. Step 5: Solve for x
    x = 19,283,493,359.41/152,192.24
  6. Step 6: Final answer
    x = 126,704.84

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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.