Home / 136,579.08-204,866.18-52,316.40

Finding the Fourth Proportional to 136,579.08, 204,866.18 and 52,316.40

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Solution

The fourth proportional to 136,579.08, 204,866.18 and 52,316.40 is: 78,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,579.08 : 204,866.18 = 52,316.40 : x
  2. Step 2: Convert to fraction form
    136,579.08/204,866.18 = 52,316.40/x
  3. Step 3: Cross multiply
    136,579.08x = 204,866.18 × 52,316.40
  4. Step 4: Simplify right side
    136,579.08x = 10,717,861,019.35
  5. Step 5: Solve for x
    x = 10,717,861,019.35/136,579.08
  6. Step 6: Final answer
    x = 78,473.67

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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.