Home / 187,346.08-281,129.04-69,099.84

Finding the Fourth Proportional to 187,346.08, 281,129.04 and 69,099.84

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Solution

The fourth proportional to 187,346.08, 281,129.04 and 69,099.84 is: 103,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,346.08 : 281,129.04 = 69,099.84 : x
  2. Step 2: Convert to fraction form
    187,346.08/281,129.04 = 69,099.84/x
  3. Step 3: Cross multiply
    187,346.08x = 281,129.04 × 69,099.84
  4. Step 4: Simplify right side
    187,346.08x = 19,425,971,683.35
  5. Step 5: Solve for x
    x = 19,425,971,683.35/187,346.08
  6. Step 6: Final answer
    x = 103,690.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.