Home / 281,193.24-388,045.62-152,132.04

Finding the Fourth Proportional to 281,193.24, 388,045.62 and 152,132.04

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Solution

The fourth proportional to 281,193.24, 388,045.62 and 152,132.04 is: 209,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,193.24 : 388,045.62 = 152,132.04 : x
  2. Step 2: Convert to fraction form
    281,193.24/388,045.62 = 152,132.04/x
  3. Step 3: Cross multiply
    281,193.24x = 388,045.62 × 152,132.04
  4. Step 4: Simplify right side
    281,193.24x = 59,034,171,783.66
  5. Step 5: Solve for x
    x = 59,034,171,783.66/281,193.24
  6. Step 6: Final answer
    x = 209,941.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.