Home / 191,093.24-286,691.70-66,443.96

Finding the Fourth Proportional to 191,093.24, 286,691.70 and 66,443.96

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Solution

The fourth proportional to 191,093.24, 286,691.70 and 66,443.96 is: 99,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,093.24 : 286,691.70 = 66,443.96 : x
  2. Step 2: Convert to fraction form
    191,093.24/286,691.70 = 66,443.96/x
  3. Step 3: Cross multiply
    191,093.24x = 286,691.70 × 66,443.96
  4. Step 4: Simplify right side
    191,093.24x = 19,048,931,847.13
  5. Step 5: Solve for x
    x = 19,048,931,847.13/191,093.24
  6. Step 6: Final answer
    x = 99,683.96

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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.