Home / 151,409.91-208,942.94-83,433.19

Finding the Fourth Proportional to 151,409.91, 208,942.94 and 83,433.19

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Solution

The fourth proportional to 151,409.91, 208,942.94 and 83,433.19 is: 115,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,409.91 : 208,942.94 = 83,433.19 : x
  2. Step 2: Convert to fraction form
    151,409.91/208,942.94 = 83,433.19/x
  3. Step 3: Cross multiply
    151,409.91x = 208,942.94 × 83,433.19
  4. Step 4: Simplify right side
    151,409.91x = 17,432,776,090.17
  5. Step 5: Solve for x
    x = 17,432,776,090.17/151,409.91
  6. Step 6: Final answer
    x = 115,136.30

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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.