Home / 239,543.37-330,589.71-137,588.51

Finding the Fourth Proportional to 239,543.37, 330,589.71 and 137,588.51

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Solution

The fourth proportional to 239,543.37, 330,589.71 and 137,588.51 is: 189,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,543.37 : 330,589.71 = 137,588.51 : x
  2. Step 2: Convert to fraction form
    239,543.37/330,589.71 = 137,588.51/x
  3. Step 3: Cross multiply
    239,543.37x = 330,589.71 × 137,588.51
  4. Step 4: Simplify right side
    239,543.37x = 45,485,343,967.28
  5. Step 5: Solve for x
    x = 45,485,343,967.28/239,543.37
  6. Step 6: Final answer
    x = 189,883.54

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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.