Home / 136,928.48-205,392.81-89,583.35

Finding the Fourth Proportional to 136,928.48, 205,392.81 and 89,583.35

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Solution

The fourth proportional to 136,928.48, 205,392.81 and 89,583.35 is: 134,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,928.48 : 205,392.81 = 89,583.35 : x
  2. Step 2: Convert to fraction form
    136,928.48/205,392.81 = 89,583.35/x
  3. Step 3: Cross multiply
    136,928.48x = 205,392.81 × 89,583.35
  4. Step 4: Simplify right side
    136,928.48x = 18,399,774,958.75
  5. Step 5: Solve for x
    x = 18,399,774,958.75/136,928.48
  6. Step 6: Final answer
    x = 134,375.08

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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.