Home / 135,670.18-187,244.22-75,254.26

Finding the Fourth Proportional to 135,670.18, 187,244.22 and 75,254.26

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Solution

The fourth proportional to 135,670.18, 187,244.22 and 75,254.26 is: 103,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,670.18 : 187,244.22 = 75,254.26 : x
  2. Step 2: Convert to fraction form
    135,670.18/187,244.22 = 75,254.26/x
  3. Step 3: Cross multiply
    135,670.18x = 187,244.22 × 75,254.26
  4. Step 4: Simplify right side
    135,670.18x = 14,090,925,215.38
  5. Step 5: Solve for x
    x = 14,090,925,215.38/135,670.18
  6. Step 6: Final answer
    x = 103,861.62

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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.