Home / 201,534.71-302,336.48-83,141.33

Finding the Fourth Proportional to 201,534.71, 302,336.48 and 83,141.33

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Solution

The fourth proportional to 201,534.71, 302,336.48 and 83,141.33 is: 124,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,534.71 : 302,336.48 = 83,141.33 : x
  2. Step 2: Convert to fraction form
    201,534.71/302,336.48 = 83,141.33/x
  3. Step 3: Cross multiply
    201,534.71x = 302,336.48 × 83,141.33
  4. Step 4: Simplify right side
    201,534.71x = 25,136,655,750.89
  5. Step 5: Solve for x
    x = 25,136,655,750.89/201,534.71
  6. Step 6: Final answer
    x = 124,726.19

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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.