Home / 239,231.42-330,140.18-131,801.19

Finding the Fourth Proportional to 239,231.42, 330,140.18 and 131,801.19

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Solution

The fourth proportional to 239,231.42, 330,140.18 and 131,801.19 is: 181,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,231.42 : 330,140.18 = 131,801.19 : x
  2. Step 2: Convert to fraction form
    239,231.42/330,140.18 = 131,801.19/x
  3. Step 3: Cross multiply
    239,231.42x = 330,140.18 × 131,801.19
  4. Step 4: Simplify right side
    239,231.42x = 43,512,867,931.81
  5. Step 5: Solve for x
    x = 43,512,867,931.81/239,231.42
  6. Step 6: Final answer
    x = 181,886.10

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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.