Home / 171,869.72-237,230.78-111,444.12

Finding the Fourth Proportional to 171,869.72, 237,230.78 and 111,444.12

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Solution

The fourth proportional to 171,869.72, 237,230.78 and 111,444.12 is: 153,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,869.72 : 237,230.78 = 111,444.12 : x
  2. Step 2: Convert to fraction form
    171,869.72/237,230.78 = 111,444.12/x
  3. Step 3: Cross multiply
    171,869.72x = 237,230.78 × 111,444.12
  4. Step 4: Simplify right side
    171,869.72x = 26,437,974,956.79
  5. Step 5: Solve for x
    x = 26,437,974,956.79/171,869.72
  6. Step 6: Final answer
    x = 153,825.68

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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.