Home / 170,862.03-256,147.23-120,784.59

Finding the Fourth Proportional to 170,862.03, 256,147.23 and 120,784.59

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Solution

The fourth proportional to 170,862.03, 256,147.23 and 120,784.59 is: 181,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,862.03 : 256,147.23 = 120,784.59 : x
  2. Step 2: Convert to fraction form
    170,862.03/256,147.23 = 120,784.59/x
  3. Step 3: Cross multiply
    170,862.03x = 256,147.23 × 120,784.59
  4. Step 4: Simplify right side
    170,862.03x = 30,938,638,155.19
  5. Step 5: Solve for x
    x = 30,938,638,155.19/170,862.03
  6. Step 6: Final answer
    x = 181,073.81

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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.