Home / 136,583.08-204,872.18-52,320.40

Finding the Fourth Proportional to 136,583.08, 204,872.18 and 52,320.40

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Solution

The fourth proportional to 136,583.08, 204,872.18 and 52,320.40 is: 78,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,583.08 : 204,872.18 = 52,320.40 : x
  2. Step 2: Convert to fraction form
    136,583.08/204,872.18 = 52,320.40/x
  3. Step 3: Cross multiply
    136,583.08x = 204,872.18 × 52,320.40
  4. Step 4: Simplify right side
    136,583.08x = 10,718,994,406.47
  5. Step 5: Solve for x
    x = 10,718,994,406.47/136,583.08
  6. Step 6: Final answer
    x = 78,479.67

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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.