Home / 190,861.36-286,255.10-57,710.41

Finding the Fourth Proportional to 190,861.36, 286,255.10 and 57,710.41

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Solution

The fourth proportional to 190,861.36, 286,255.10 and 57,710.41 is: 86,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,861.36 : 286,255.10 = 57,710.41 : x
  2. Step 2: Convert to fraction form
    190,861.36/286,255.10 = 57,710.41/x
  3. Step 3: Cross multiply
    190,861.36x = 286,255.10 × 57,710.41
  4. Step 4: Simplify right side
    190,861.36x = 16,519,898,614.23
  5. Step 5: Solve for x
    x = 16,519,898,614.23/190,861.36
  6. Step 6: Final answer
    x = 86,554.44

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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.