Home / 191,091.24-286,688.70-66,441.96

Finding the Fourth Proportional to 191,091.24, 286,688.70 and 66,441.96

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Solution

The fourth proportional to 191,091.24, 286,688.70 and 66,441.96 is: 99,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,091.24 : 286,688.70 = 66,441.96 : x
  2. Step 2: Convert to fraction form
    191,091.24/286,688.70 = 66,441.96/x
  3. Step 3: Cross multiply
    191,091.24x = 286,688.70 × 66,441.96
  4. Step 4: Simplify right side
    191,091.24x = 19,048,159,137.85
  5. Step 5: Solve for x
    x = 19,048,159,137.85/191,091.24
  6. Step 6: Final answer
    x = 99,680.96

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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.