Home / 190,256.67-285,417.81-85,083.84

Finding the Fourth Proportional to 190,256.67, 285,417.81 and 85,083.84

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Solution

The fourth proportional to 190,256.67, 285,417.81 and 85,083.84 is: 127,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,256.67 : 285,417.81 = 85,083.84 : x
  2. Step 2: Convert to fraction form
    190,256.67/285,417.81 = 85,083.84/x
  3. Step 3: Cross multiply
    190,256.67x = 285,417.81 × 85,083.84
  4. Step 4: Simplify right side
    190,256.67x = 24,284,443,279.19
  5. Step 5: Solve for x
    x = 24,284,443,279.19/190,256.67
  6. Step 6: Final answer
    x = 127,640.43

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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.