Home / 191,484.06-287,225.64-51,242.68

Finding the Fourth Proportional to 191,484.06, 287,225.64 and 51,242.68

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Solution

The fourth proportional to 191,484.06, 287,225.64 and 51,242.68 is: 76,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,484.06 : 287,225.64 = 51,242.68 : x
  2. Step 2: Convert to fraction form
    191,484.06/287,225.64 = 51,242.68/x
  3. Step 3: Cross multiply
    191,484.06x = 287,225.64 × 51,242.68
  4. Step 4: Simplify right side
    191,484.06x = 14,718,211,558.32
  5. Step 5: Solve for x
    x = 14,718,211,558.32/191,484.06
  6. Step 6: Final answer
    x = 76,863.90

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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.