Home / 115,623.15-159,586.61-75,266.62

Finding the Fourth Proportional to 115,623.15, 159,586.61 and 75,266.62

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Solution

The fourth proportional to 115,623.15, 159,586.61 and 75,266.62 is: 103,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,623.15 : 159,586.61 = 75,266.62 : x
  2. Step 2: Convert to fraction form
    115,623.15/159,586.61 = 75,266.62/x
  3. Step 3: Cross multiply
    115,623.15x = 159,586.61 × 75,266.62
  4. Step 4: Simplify right side
    115,623.15x = 12,011,543,956.66
  5. Step 5: Solve for x
    x = 12,011,543,956.66/115,623.15
  6. Step 6: Final answer
    x = 103,885.29

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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.