Home / 142,600.56-196,702.68-91,596.12

Finding the Fourth Proportional to 142,600.56, 196,702.68 and 91,596.12

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Solution

The fourth proportional to 142,600.56, 196,702.68 and 91,596.12 is: 126,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,600.56 : 196,702.68 = 91,596.12 : x
  2. Step 2: Convert to fraction form
    142,600.56/196,702.68 = 91,596.12/x
  3. Step 3: Cross multiply
    142,600.56x = 196,702.68 × 91,596.12
  4. Step 4: Simplify right side
    142,600.56x = 18,017,202,281.60
  5. Step 5: Solve for x
    x = 18,017,202,281.60/142,600.56
  6. Step 6: Final answer
    x = 126,347.35

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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.