Home / 136,788.37-204,804.69-70,084.87

Finding the Fourth Proportional to 136,788.37, 204,804.69 and 70,084.87

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Solution

The fourth proportional to 136,788.37, 204,804.69 and 70,084.87 is: 104,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,788.37 : 204,804.69 = 70,084.87 : x
  2. Step 2: Convert to fraction form
    136,788.37/204,804.69 = 70,084.87/x
  3. Step 3: Cross multiply
    136,788.37x = 204,804.69 × 70,084.87
  4. Step 4: Simplify right side
    136,788.37x = 14,353,710,074.04
  5. Step 5: Solve for x
    x = 14,353,710,074.04/136,788.37
  6. Step 6: Final answer
    x = 104,933.70

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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.