Home / 151,741.26-209,402.95-83,758.25

Finding the Fourth Proportional to 151,741.26, 209,402.95 and 83,758.25

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Solution

The fourth proportional to 151,741.26, 209,402.95 and 83,758.25 is: 115,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,741.26 : 209,402.95 = 83,758.25 : x
  2. Step 2: Convert to fraction form
    151,741.26/209,402.95 = 83,758.25/x
  3. Step 3: Cross multiply
    151,741.26x = 209,402.95 × 83,758.25
  4. Step 4: Simplify right side
    151,741.26x = 17,539,224,165.69
  5. Step 5: Solve for x
    x = 17,539,224,165.69/151,741.26
  6. Step 6: Final answer
    x = 115,586.39

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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.