Home / 282,247.42-389,487.21-167,531.07

Finding the Fourth Proportional to 282,247.42, 389,487.21 and 167,531.07

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Solution

The fourth proportional to 282,247.42, 389,487.21 and 167,531.07 is: 231,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,247.42 : 389,487.21 = 167,531.07 : x
  2. Step 2: Convert to fraction form
    282,247.42/389,487.21 = 167,531.07/x
  3. Step 3: Cross multiply
    282,247.42x = 389,487.21 × 167,531.07
  4. Step 4: Simplify right side
    282,247.42x = 65,251,209,042.61
  5. Step 5: Solve for x
    x = 65,251,209,042.61/282,247.42
  6. Step 6: Final answer
    x = 231,184.43

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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.