Home / 191,486.06-287,228.64-51,244.68

Finding the Fourth Proportional to 191,486.06, 287,228.64 and 51,244.68

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Solution

The fourth proportional to 191,486.06, 287,228.64 and 51,244.68 is: 76,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,486.06 : 287,228.64 = 51,244.68 : x
  2. Step 2: Convert to fraction form
    191,486.06/287,228.64 = 51,244.68/x
  3. Step 3: Cross multiply
    191,486.06x = 287,228.64 × 51,244.68
  4. Step 4: Simplify right side
    191,486.06x = 14,718,939,743.64
  5. Step 5: Solve for x
    x = 14,718,939,743.64/191,486.06
  6. Step 6: Final answer
    x = 76,866.90

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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.