Home / 239,350.55-330,305.28-131,920.58

Finding the Fourth Proportional to 239,350.55, 330,305.28 and 131,920.58

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Solution

The fourth proportional to 239,350.55, 330,305.28 and 131,920.58 is: 182,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,350.55 : 330,305.28 = 131,920.58 : x
  2. Step 2: Convert to fraction form
    239,350.55/330,305.28 = 131,920.58/x
  3. Step 3: Cross multiply
    239,350.55x = 330,305.28 × 131,920.58
  4. Step 4: Simplify right side
    239,350.55x = 43,574,064,445.72
  5. Step 5: Solve for x
    x = 43,574,064,445.72/239,350.55
  6. Step 6: Final answer
    x = 182,051.24

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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.