Home / 245,864.40-367,921.80-170,631.60

Finding the Fourth Proportional to 245,864.40, 367,921.80 and 170,631.60

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Solution

The fourth proportional to 245,864.40, 367,921.80 and 170,631.60 is: 255,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,864.40 : 367,921.80 = 170,631.60 : x
  2. Step 2: Convert to fraction form
    245,864.40/367,921.80 = 170,631.60/x
  3. Step 3: Cross multiply
    245,864.40x = 367,921.80 × 170,631.60
  4. Step 4: Simplify right side
    245,864.40x = 62,779,085,408.88
  5. Step 5: Solve for x
    x = 62,779,085,408.88/245,864.40
  6. Step 6: Final answer
    x = 255,340.28

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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.