Home / 239,176.72-329,709.54-153,123.40

Finding the Fourth Proportional to 239,176.72, 329,709.54 and 153,123.40

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Solution

The fourth proportional to 239,176.72, 329,709.54 and 153,123.40 is: 211,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,176.72 : 329,709.54 = 153,123.40 : x
  2. Step 2: Convert to fraction form
    239,176.72/329,709.54 = 153,123.40/x
  3. Step 3: Cross multiply
    239,176.72x = 329,709.54 × 153,123.40
  4. Step 4: Simplify right side
    239,176.72x = 50,486,245,777.24
  5. Step 5: Solve for x
    x = 50,486,245,777.24/239,176.72
  6. Step 6: Final answer
    x = 211,083.44

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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.