Home / 103,058.26-142,220.40-58,346.26

Finding the Fourth Proportional to 103,058.26, 142,220.40 and 58,346.26

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Solution

The fourth proportional to 103,058.26, 142,220.40 and 58,346.26 is: 80,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,058.26 : 142,220.40 = 58,346.26 : x
  2. Step 2: Convert to fraction form
    103,058.26/142,220.40 = 58,346.26/x
  3. Step 3: Cross multiply
    103,058.26x = 142,220.40 × 58,346.26
  4. Step 4: Simplify right side
    103,058.26x = 8,298,028,435.70
  5. Step 5: Solve for x
    x = 8,298,028,435.70/103,058.26
  6. Step 6: Final answer
    x = 80,517.84

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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.