Home / 240,381.36-360,631.06-82,612.08

Finding the Fourth Proportional to 240,381.36, 360,631.06 and 82,612.08

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Solution

The fourth proportional to 240,381.36, 360,631.06 and 82,612.08 is: 123,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,381.36 : 360,631.06 = 82,612.08 : x
  2. Step 2: Convert to fraction form
    240,381.36/360,631.06 = 82,612.08/x
  3. Step 3: Cross multiply
    240,381.36x = 360,631.06 × 82,612.08
  4. Step 4: Simplify right side
    240,381.36x = 29,792,481,979.20
  5. Step 5: Solve for x
    x = 29,792,481,979.20/240,381.36
  6. Step 6: Final answer
    x = 123,938.40

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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.