Home / 200,730.40-301,095.60-153,491.20

Finding the Fourth Proportional to 200,730.40, 301,095.60 and 153,491.20

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Solution

The fourth proportional to 200,730.40, 301,095.60 and 153,491.20 is: 230,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,730.40 : 301,095.60 = 153,491.20 : x
  2. Step 2: Convert to fraction form
    200,730.40/301,095.60 = 153,491.20/x
  3. Step 3: Cross multiply
    200,730.40x = 301,095.60 × 153,491.20
  4. Step 4: Simplify right side
    200,730.40x = 46,215,524,958.72
  5. Step 5: Solve for x
    x = 46,215,524,958.72/200,730.40
  6. Step 6: Final answer
    x = 230,236.80

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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.