Home / 165,215.10-248,017.05-164,048.70

Finding the Fourth Proportional to 165,215.10, 248,017.05 and 164,048.70

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Solution

The fourth proportional to 165,215.10, 248,017.05 and 164,048.70 is: 246,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,215.10 : 248,017.05 = 164,048.70 : x
  2. Step 2: Convert to fraction form
    165,215.10/248,017.05 = 164,048.70/x
  3. Step 3: Cross multiply
    165,215.10x = 248,017.05 × 164,048.70
  4. Step 4: Simplify right side
    165,215.10x = 40,686,874,630.34
  5. Step 5: Solve for x
    x = 40,686,874,630.34/165,215.10
  6. Step 6: Final answer
    x = 246,266.08

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1.5x scale

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.