Home / 237,548.68-327,815.55-128,650.51

Finding the Fourth Proportional to 237,548.68, 327,815.55 and 128,650.51

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Solution

The fourth proportional to 237,548.68, 327,815.55 and 128,650.51 is: 177,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,548.68 : 327,815.55 = 128,650.51 : x
  2. Step 2: Convert to fraction form
    237,548.68/327,815.55 = 128,650.51/x
  3. Step 3: Cross multiply
    237,548.68x = 327,815.55 × 128,650.51
  4. Step 4: Simplify right side
    237,548.68x = 42,173,637,693.43
  5. Step 5: Solve for x
    x = 42,173,637,693.43/237,548.68
  6. Step 6: Final answer
    x = 177,536.82

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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.