Home / 282,317.03-389,426.35-167,520.04

Finding the Fourth Proportional to 282,317.03, 389,426.35 and 167,520.04

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Solution

The fourth proportional to 282,317.03, 389,426.35 and 167,520.04 is: 231,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,317.03 : 389,426.35 = 167,520.04 : x
  2. Step 2: Convert to fraction form
    282,317.03/389,426.35 = 167,520.04/x
  3. Step 3: Cross multiply
    282,317.03x = 389,426.35 × 167,520.04
  4. Step 4: Simplify right side
    282,317.03x = 65,236,717,729.05
  5. Step 5: Solve for x
    x = 65,236,717,729.05/282,317.03
  6. Step 6: Final answer
    x = 231,076.10

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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.