Home / 236,372.19-354,510.60-86,561.34

Finding the Fourth Proportional to 236,372.19, 354,510.60 and 86,561.34

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Solution

The fourth proportional to 236,372.19, 354,510.60 and 86,561.34 is: 129,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,372.19 : 354,510.60 = 86,561.34 : x
  2. Step 2: Convert to fraction form
    236,372.19/354,510.60 = 86,561.34/x
  3. Step 3: Cross multiply
    236,372.19x = 354,510.60 × 86,561.34
  4. Step 4: Simplify right side
    236,372.19x = 30,686,912,580.20
  5. Step 5: Solve for x
    x = 30,686,912,580.20/236,372.19
  6. Step 6: Final answer
    x = 129,824.55

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1.5x scale

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.